Do V8 GC ASAP if system memory is pressured

content/renderer/render_thread_impl.h

Index: content/renderer/render_thread_impl.h
diff --git a/content/renderer/render_thread_impl.h b/content/renderer/render_thread_impl.h
index f2f2b1e7c420e63da1316fd5cb9c9b2dd5ab2938..6b364d65cda0aab33304d974fb375d89a380d871 100644
--- a/content/renderer/render_thread_impl.h
+++ b/content/renderer/render_thread_impl.h
@@ -32,6 +32,7 @@
 #include "net/base/network_change_notifier.h"
 #include "third_party/WebKit/public/platform/WebConnectionType.h"
 #include "ui/gfx/native_widget_types.h"
+#include "v8/include/v8.h"

[esprehn, 2016/03/25 09:20:35]

do this in the .cc file, it doesn't seem used here.

[hong.zheng, 2016/04/01 09:22:34]

Done.

 
 #if defined(OS_MACOSX)
 #include "third_party/WebKit/public/web/mac/WebScrollbarTheme.h"
@@ -520,6 +521,9 @@ class CONTENT_EXPORT RenderThreadImpl
 
   void ReleaseFreeMemory();
 
+  void OnSyncMemoryPressure(
+      base::MemoryPressureListener::MemoryPressureLevel memory_pressure_level);
+
   scoped_ptr<WebGraphicsContext3DCommandBufferImpl> CreateOffscreenContext3d();
 
   // These objects live solely on the render thread.