80 lines
4.1 KiB
Diff
80 lines
4.1 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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diff --git a/content/public/renderer/content_renderer_client.h b/content/public/renderer/content_renderer_client.h
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index fd33e51221676c6315aec8db4aa469d4805dab8a..af15512b6d26bf79413e34a590d664a56d78828d 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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@@ -379,6 +379,11 @@ 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 de849f696e15004cda5648f565972f4529503d50..2c007dbd46f39a85406e2ffe23cd44d4f7d02574 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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@@ -1064,6 +1064,12 @@ 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 38ff3be9084334641d5537dda5b5fe5e8f9f8417..93c4dc904fd4f539faf48adc3c8770d052855050 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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@@ -210,6 +210,7 @@ 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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// Disables the WebSandboxSupport implementation for testing.
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// Tests that do not set up a full sandbox environment should call
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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 d7ac7d96ad5c3e20075948c329a6d5ede0ae7a38..66881ba9b2511ef39e58c983907ec1894c046c2a 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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@@ -687,6 +687,7 @@ 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 e55b99843fa42056197875b883a944f6de4ad79d..eb1508065eee7235816e2d6047220291007324e4 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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@@ -559,6 +559,12 @@ void WorkerThread::PrepareForShutdownOnWorkerThread() {
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SetExitCode(ExitCode::kGracefullyTerminated);
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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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