77 lines
3.5 KiB
Diff
77 lines
3.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Cheng Zhao <zcbenz@gmail.com>
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Date: Thu, 20 Sep 2018 17:45:03 -0700
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Subject: blink_local_frame.patch
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According to electron/electron#3699, it is unreliable to use |unload|
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event for process.exit('exit'), so we have to do that in
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willReleaseScriptContext.
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Refs changes in:
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* https://codereview.chromium.org/1657583002
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* https://chromium-review.googlesource.com/c/chromium/src/+/2596880
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* https://chromium-review.googlesource.com/c/chromium/src/+/2597169
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This patch reverts the changes to fix associated crashes in Electron.
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diff --git a/third_party/blink/renderer/core/frame/frame.cc b/third_party/blink/renderer/core/frame/frame.cc
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index 8bf6b4bc077cc41da5e0e6b13302bc343537c68f..01bddc0bcb7476408023c4cfc042a0883c16430c 100644
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--- a/third_party/blink/renderer/core/frame/frame.cc
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+++ b/third_party/blink/renderer/core/frame/frame.cc
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@@ -120,14 +120,6 @@ bool Frame::Detach(FrameDetachType type) {
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DCHECK(!IsDetached());
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- // TODO(dcheng): FocusController::FrameDetached() *should* fire JS events,
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- // hence the above check for `client_` being null. However, when this was
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- // previously placed before the `FrameDetached()` call, nothing crashes, which
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- // is suspicious. Investigate if we really don't need to fire JS events--and
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- // if we don't, move `forbid_scripts` up to be instantiated sooner and
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- // simplify this code.
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- ScriptForbiddenScope forbid_scripts;
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-
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if (type == FrameDetachType::kRemove) {
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if (provisional_frame_) {
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provisional_frame_->Detach(FrameDetachType::kRemove);
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@@ -150,6 +142,14 @@ bool Frame::Detach(FrameDetachType type) {
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GetWindowProxyManager()->ClearForSwap();
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}
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+ // TODO(dcheng): FocusController::FrameDetached() *should* fire JS events,
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+ // hence the above check for `client_` being null. However, when this was
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+ // previously placed before the `FrameDetached()` call, nothing crashes, which
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+ // is suspicious. Investigate if we really don't need to fire JS events--and
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+ // if we don't, move `forbid_scripts` up to be instantiated sooner and
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+ // simplify this code.
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+ ScriptForbiddenScope forbid_scripts;
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+
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// After this, we must no longer talk to the client since this clears
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// its owning reference back to our owning LocalFrame.
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client_->Detached(type);
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diff --git a/third_party/blink/renderer/core/frame/local_frame.cc b/third_party/blink/renderer/core/frame/local_frame.cc
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index c23606754e5a2388ceb2e757ad33161b8f9a38e2..3178265e2c9b94cc88d4d7b0ad13deb8e38261cc 100644
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--- a/third_party/blink/renderer/core/frame/local_frame.cc
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+++ b/third_party/blink/renderer/core/frame/local_frame.cc
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@@ -806,10 +806,6 @@ bool LocalFrame::DetachImpl(FrameDetachType type) {
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}
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DCHECK(!view_ || !view_->IsAttached());
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- // This is the earliest that scripting can be disabled:
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- // - FrameLoader::Detach() can fire XHR abort events
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- // - Document::Shutdown() can dispose plugins which can run script.
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- ScriptForbiddenScope forbid_script;
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if (!Client())
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return false;
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@@ -854,6 +850,11 @@ bool LocalFrame::DetachImpl(FrameDetachType type) {
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DCHECK(!view_->IsAttached());
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Client()->WillBeDetached();
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+ // This is the earliest that scripting can be disabled:
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+ // - FrameLoader::Detach() can fire XHR abort events
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+ // - Document::Shutdown() can dispose plugins which can run script.
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+ ScriptForbiddenScope forbid_script;
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+
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// TODO(crbug.com/729196): Trace why LocalFrameView::DetachFromLayout crashes.
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CHECK(!view_->IsAttached());
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SetView(nullptr);
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