fix: backport patch to fix scrolling problem (#15830)
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2 changed files with 242 additions and 0 deletions
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@ -75,3 +75,4 @@ chrome_process_finder.patch
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customizable_app_indicator_id_prefix.patch
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customizable_app_indicator_id_prefix.patch
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cross_site_document_resource_handler.patch
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cross_site_document_resource_handler.patch
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content_allow_embedder_to_prevent_locking_scheme_registry.patch
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content_allow_embedder_to_prevent_locking_scheme_registry.patch
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fix_trackpad_scrolling.patch
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241
patches/common/chromium/fix_trackpad_scrolling.patch
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241
patches/common/chromium/fix_trackpad_scrolling.patch
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@ -0,0 +1,241 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Cheng Zhao <zcbenz@gmail.com>
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Date: Mon Nov 26 09:32:14 2018 +0900
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Subject: fix_trackpad_scrolling.patch
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Backport https://chromium-review.googlesource.com/c/chromium/src/+/1299342.
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This patch fixes https://github.com/electron/electron/issues/8960, and can be
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removed after upgraded to Chrome 72.
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diff --git a/gpu/ipc/service/child_window_win.cc b/gpu/ipc/service/child_window_win.cc
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index d531234..3cce23e 100644
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--- a/gpu/ipc/service/child_window_win.cc
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+++ b/gpu/ipc/service/child_window_win.cc
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@@ -9,7 +9,6 @@
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#include "base/compiler_specific.h"
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#include "base/memory/weak_ptr.h"
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#include "base/message_loop/message_loop.h"
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-#include "base/threading/thread.h"
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#include "base/win/scoped_hdc.h"
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#include "base/win/wrapped_window_proc.h"
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#include "gpu/ipc/common/gpu_messages.h"
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@@ -21,49 +20,11 @@
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namespace gpu {
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-// This owns the thread and contains data that's shared between the threads.
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-struct SharedData {
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- SharedData() : thread("Window owner thread") {}
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-
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- base::Lock rect_lock;
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- gfx::Rect rect_to_clear;
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-
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- base::Thread thread;
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-};
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-
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namespace {
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ATOM g_window_class;
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// This runs on the window owner thread.
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-LRESULT CALLBACK IntermediateWindowProc(HWND window,
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- UINT message,
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- WPARAM w_param,
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- LPARAM l_param) {
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- switch (message) {
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- case WM_ERASEBKGND:
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- // Prevent windows from erasing the background.
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- return 1;
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- case WM_PAINT:
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- PAINTSTRUCT paint;
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- if (BeginPaint(window, &paint)) {
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- SharedData* shared_data =
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- reinterpret_cast<SharedData*>(gfx::GetWindowUserData(window));
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- DCHECK(shared_data);
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- {
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- base::AutoLock lock(shared_data->rect_lock);
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- shared_data->rect_to_clear.Union(gfx::Rect(paint.rcPaint));
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- }
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-
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- EndPaint(window, &paint);
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- }
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- return 0;
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- default:
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- return DefWindowProc(window, message, w_param, l_param);
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- }
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-}
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-
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-// This runs on the window owner thread.
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void InitializeWindowClass() {
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if (g_window_class)
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return;
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@@ -71,9 +32,9 @@ void InitializeWindowClass() {
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WNDCLASSEX intermediate_class;
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base::win::InitializeWindowClass(
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L"Intermediate D3D Window",
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- &base::win::WrappedWindowProc<IntermediateWindowProc>, CS_OWNDC, 0, 0,
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- nullptr, reinterpret_cast<HBRUSH>(GetStockObject(BLACK_BRUSH)), nullptr,
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- nullptr, nullptr, &intermediate_class);
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+ &base::win::WrappedWindowProc<::DefWindowProc>, CS_OWNDC, 0, 0, nullptr,
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+ reinterpret_cast<HBRUSH>(GetStockObject(BLACK_BRUSH)), nullptr, nullptr,
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+ nullptr, &intermediate_class);
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g_window_class = RegisterClassEx(&intermediate_class);
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if (!g_window_class) {
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LOG(ERROR) << "RegisterClass failed.";
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@@ -122,7 +83,6 @@ class HiddenPopupWindow : public gfx::WindowImpl {
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// This runs on the window owner thread.
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void CreateWindowsOnThread(const gfx::Size& size,
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base::WaitableEvent* event,
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- SharedData* shared_data,
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HWND* child_window,
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HWND* parent_window) {
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InitializeWindowClass();
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@@ -131,20 +91,25 @@ void CreateWindowsOnThread(const gfx::Size& size,
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// Create hidden parent window on the current thread.
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*parent_window = HiddenPopupWindow::Create();
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// Create child window.
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+ // WS_EX_NOPARENTNOTIFY and WS_EX_LAYERED make the window transparent for
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+ // input. WS_EX_NOREDIRECTIONBITMAP avoids allocating a
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+ // bitmap that would otherwise be allocated with WS_EX_LAYERED, the bitmap is
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+ // only necessary if using Gdi objects with the window.
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HWND window = CreateWindowEx(
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- WS_EX_NOPARENTNOTIFY, reinterpret_cast<wchar_t*>(g_window_class), L"",
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+ WS_EX_NOPARENTNOTIFY | WS_EX_LAYERED | WS_EX_TRANSPARENT |
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+ WS_EX_NOREDIRECTIONBITMAP,
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+ reinterpret_cast<wchar_t*>(g_window_class), L"",
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WS_CHILDWINDOW | WS_DISABLED | WS_VISIBLE, 0, 0, size.width(),
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size.height(), *parent_window, NULL, NULL, NULL);
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CHECK(window);
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*child_window = window;
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- gfx::SetWindowUserData(window, shared_data);
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event->Signal();
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}
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// This runs on the main thread after the window was destroyed on window owner
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// thread.
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-void DestroySharedData(std::unique_ptr<SharedData> shared_data) {
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- shared_data->thread.Stop();
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+void DestroyThread(std::unique_ptr<base::Thread> thread) {
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+ thread->Stop();
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}
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// This runs on the window owner thread.
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@@ -164,10 +129,9 @@ bool ChildWindowWin::Initialize() {
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if (window_)
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return true;
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- shared_data_ = std::make_unique<SharedData>();
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-
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+ thread_ = std::make_unique<base::Thread>("Window owner thread");
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base::Thread::Options options(base::MessageLoop::TYPE_UI, 0);
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- shared_data_->thread.StartWithOptions(options);
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+ thread_->StartWithOptions(options);
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base::WaitableEvent event(base::WaitableEvent::ResetPolicy::AUTOMATIC,
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base::WaitableEvent::InitialState::NOT_SIGNALED);
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@@ -175,44 +139,30 @@ bool ChildWindowWin::Initialize() {
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RECT window_rect;
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GetClientRect(parent_window_, &window_rect);
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- shared_data_->thread.task_runner()->PostTask(
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+ thread_->task_runner()->PostTask(
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FROM_HERE,
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base::Bind(&CreateWindowsOnThread, gfx::Rect(window_rect).size(), &event,
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- shared_data_.get(), &window_, &initial_parent_window_));
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+ &window_, &initial_parent_window_));
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event.Wait();
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delegate_->DidCreateAcceleratedSurfaceChildWindow(parent_window_, window_);
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return true;
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}
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-void ChildWindowWin::ClearInvalidContents() {
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- base::AutoLock lock(shared_data_->rect_lock);
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- if (!shared_data_->rect_to_clear.IsEmpty()) {
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- base::win::ScopedGetDC dc(window_);
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-
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- RECT rect = shared_data_->rect_to_clear.ToRECT();
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-
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- // DirectComposition composites with the contents under the SwapChain,
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- // so ensure that's cleared. GDI treats black as transparent.
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- FillRect(dc, &rect, reinterpret_cast<HBRUSH>(GetStockObject(BLACK_BRUSH)));
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- shared_data_->rect_to_clear = gfx::Rect();
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- }
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-}
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-
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ChildWindowWin::~ChildWindowWin() {
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- if (shared_data_) {
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- scoped_refptr<base::TaskRunner> task_runner =
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- shared_data_->thread.task_runner();
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+ if (thread_) {
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+ scoped_refptr<base::TaskRunner> task_runner = thread_->task_runner();
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task_runner->PostTaskAndReply(
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FROM_HERE,
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- base::Bind(&DestroyWindowsOnThread, window_, initial_parent_window_),
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- base::Bind(&DestroySharedData, base::Passed(std::move(shared_data_))));
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+ base::BindOnce(&DestroyWindowsOnThread, window_,
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+ initial_parent_window_),
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+ base::BindOnce(&DestroyThread, base::Passed(std::move(thread_))));
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}
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}
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scoped_refptr<base::TaskRunner> ChildWindowWin::GetTaskRunnerForTesting() {
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- DCHECK(shared_data_);
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- return shared_data_->thread.task_runner();
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+ DCHECK(thread_);
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+ return thread_->task_runner();
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}
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} // namespace gpu
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diff --git a/gpu/ipc/service/child_window_win.h b/gpu/ipc/service/child_window_win.h
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index c11202b..2b29fc6 100644
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--- a/gpu/ipc/service/child_window_win.h
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+++ b/gpu/ipc/service/child_window_win.h
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@@ -7,14 +7,13 @@
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#include "base/memory/weak_ptr.h"
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#include "base/task_runner.h"
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+#include "base/threading/thread.h"
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#include "gpu/ipc/service/image_transport_surface_delegate.h"
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#include <windows.h>
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namespace gpu {
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-struct SharedData;
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-
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// The window DirectComposition renders into needs to be owned by the process
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// that's currently doing the rendering. The class creates and owns a window
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// which is reparented by the browser to be a child of its window.
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@@ -25,15 +24,13 @@ class ChildWindowWin {
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~ChildWindowWin();
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bool Initialize();
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- void ClearInvalidContents();
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HWND window() const { return window_; }
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scoped_refptr<base::TaskRunner> GetTaskRunnerForTesting();
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private:
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- // This member contains all the data that can be accessed from the main or
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- // window owner threads.
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- std::unique_ptr<SharedData> shared_data_;
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+ // The window owner thread.
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+ std::unique_ptr<base::Thread> thread_;
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// The eventual parent of the window living in the browser process.
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HWND parent_window_;
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HWND window_;
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diff --git a/gpu/ipc/service/direct_composition_surface_win.cc b/gpu/ipc/service/direct_composition_surface_win.cc
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index e6ac830..2fc7cd93 100644
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--- a/gpu/ipc/service/direct_composition_surface_win.cc
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+++ b/gpu/ipc/service/direct_composition_surface_win.cc
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@@ -1541,8 +1541,6 @@ gfx::SwapResult DirectCompositionSurfaceWin::SwapBuffers(
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gl::GLSurfacePresentationHelper::ScopedSwapBuffers scoped_swap_buffers(
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presentation_helper_.get(), callback);
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- child_window_.ClearInvalidContents();
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-
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if (root_surface_->SwapBuffers(PresentationCallback()) ==
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gfx::SwapResult::SWAP_FAILED)
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scoped_swap_buffers.set_result(gfx::SwapResult::SWAP_FAILED);
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