9c8cdd63fd
* chore: bump chromium in DEPS to 0ee01724797ab0f6deadb33bb3a0201cd2d21602 * Update patches * Separate pdf/pdf_ppapi.h into its own target. https://chromium-review.googlesource.com/c/chromium/src/+/2292458 * [ozone/x11] Removed DesktopWindowTreeHostX11 and its DnD client. https://chromium-review.googlesource.com/c/chromium/src/+/2279199 * Move front_end html_entrypoints to data_deps https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2292282 Co-authored-by: John Kleinschmidt <jkleinsc@github.com>
85 lines
4.4 KiB
Diff
85 lines
4.4 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 17:47:12 -0700
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Subject: worker_context_will_destroy.patch
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This adds a hook for worker context destruction, which we use in Electron to
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shutdown node integration in the worker if relevant.
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An attempt to upstream this was made, but rejected:
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https://chromium-review.googlesource.com/c/chromium/src/+/1954347
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diff --git a/content/public/renderer/content_renderer_client.h b/content/public/renderer/content_renderer_client.h
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index 5b0784c844bd9dd448c4e660d85902f930851b72..cc6101c82e659bbc5a8568c166d5a56fae0c8d64 100644
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--- a/content/public/renderer/content_renderer_client.h
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+++ b/content/public/renderer/content_renderer_client.h
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@@ -398,6 +398,11 @@ class CONTENT_EXPORT ContentRendererClient {
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virtual void DidInitializeWorkerContextOnWorkerThread(
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v8::Local<v8::Context> context) {}
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+ // Notifies that a worker context will be destroyed. This function is called
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+ // from the worker thread.
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+ virtual void WillDestroyWorkerContextOnWorkerThread(
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+ v8::Local<v8::Context> context) {}
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+
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// Overwrites the given URL to use an HTML5 embed if possible.
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// An empty URL is returned if the URL is not overriden.
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virtual GURL OverrideFlashEmbedWithHTML(const GURL& url);
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diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
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index f74d5d12e449bf1c816743fb5fda29abb780b7ff..202490a1304f5b5356b010920a9d142564f82cc4 100644
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--- a/content/renderer/renderer_blink_platform_impl.cc
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+++ b/content/renderer/renderer_blink_platform_impl.cc
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@@ -864,6 +864,12 @@ void RendererBlinkPlatformImpl::WillStopWorkerThread() {
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WorkerThreadRegistry::Instance()->WillStopCurrentWorkerThread();
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}
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+void RendererBlinkPlatformImpl::WorkerContextWillDestroy(
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+ const v8::Local<v8::Context>& worker) {
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+ GetContentClient()->renderer()->WillDestroyWorkerContextOnWorkerThread(
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+ worker);
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+}
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+
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void RendererBlinkPlatformImpl::WorkerContextCreated(
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const v8::Local<v8::Context>& worker) {
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GetContentClient()->renderer()->DidInitializeWorkerContextOnWorkerThread(
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diff --git a/content/renderer/renderer_blink_platform_impl.h b/content/renderer/renderer_blink_platform_impl.h
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index 83d6f879da9db74bd1cd14761f38e1c81feb7ed2..263641805d91b1ba131eaba4fd07774f6f8ea38d 100644
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--- a/content/renderer/renderer_blink_platform_impl.h
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+++ b/content/renderer/renderer_blink_platform_impl.h
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@@ -192,6 +192,7 @@ class CONTENT_EXPORT RendererBlinkPlatformImpl : public BlinkPlatformImpl {
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void DidStartWorkerThread() override;
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void WillStopWorkerThread() override;
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void WorkerContextCreated(const v8::Local<v8::Context>& worker) override;
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+ void WorkerContextWillDestroy(const v8::Local<v8::Context>& worker) override;
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bool AllowScriptExtensionForServiceWorker(
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const blink::WebSecurityOrigin& script_origin) override;
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bool IsExcludedHeaderForServiceWorkerFetchEvent(
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diff --git a/third_party/blink/public/platform/platform.h b/third_party/blink/public/platform/platform.h
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index 9351a302916a2cbeecf3a6a934aee0431127008c..754634fd4935cdf38168361f1491cf3aedaf8cdb 100644
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--- a/third_party/blink/public/platform/platform.h
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+++ b/third_party/blink/public/platform/platform.h
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@@ -638,6 +638,7 @@ class BLINK_PLATFORM_EXPORT Platform {
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virtual void DidStartWorkerThread() {}
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virtual void WillStopWorkerThread() {}
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virtual void WorkerContextCreated(const v8::Local<v8::Context>& worker) {}
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+ virtual void WorkerContextWillDestroy(const v8::Local<v8::Context>& worker) {}
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virtual bool AllowScriptExtensionForServiceWorker(
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const WebSecurityOrigin& script_origin) {
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return false;
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diff --git a/third_party/blink/renderer/core/workers/worker_thread.cc b/third_party/blink/renderer/core/workers/worker_thread.cc
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index 8d8b0a32951496dfa53c7eb2cba2b085e4bbdceb..6ab264479c63c5ce6975d30db1d14ebbe53b48c4 100644
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--- a/third_party/blink/renderer/core/workers/worker_thread.cc
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+++ b/third_party/blink/renderer/core/workers/worker_thread.cc
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@@ -694,6 +694,12 @@ void WorkerThread::PrepareForShutdownOnWorkerThread() {
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nested_runner_->QuitNow();
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}
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+ {
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+ v8::HandleScope handle_scope(GetIsolate());
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+ Platform::Current()->WorkerContextWillDestroy(
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+ GlobalScope()->ScriptController()->GetContext());
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+ }
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+
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if (WorkerThreadDebugger* debugger = WorkerThreadDebugger::From(GetIsolate()))
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debugger->WorkerThreadDestroyed(this);
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