Do V8 GC ASAP if system memory is pressured

third_party/WebKit/Source/core/workers/WorkerThread.h

Index: third_party/WebKit/Source/core/workers/WorkerThread.h
diff --git a/third_party/WebKit/Source/core/workers/WorkerThread.h b/third_party/WebKit/Source/core/workers/WorkerThread.h
index cf6ccda60c48906f732f64b14228702f890c4c55..be5c3300505fb37ec2f7fd1633c818652acc5fe7 100644
--- a/third_party/WebKit/Source/core/workers/WorkerThread.h
+++ b/third_party/WebKit/Source/core/workers/WorkerThread.h
@@ -38,6 +38,7 @@
 #include "wtf/Functional.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
+#include <set>
 #include <v8.h>
 
 namespace blink {
@@ -114,6 +115,8 @@ public:
 
     PlatformThreadId platformThreadId();
 
+    static std::set<v8::Isolate*>* workerThreadIsolates();

[kinuko, 2016/04/11 09:30:40]

Why we return mutable pointer to the set here?

[hong.zheng, 2016/04/15 06:05:57]

Done.

+
 protected:
     WorkerThread(PassRefPtr<WorkerLoaderProxy>, WorkerReportingProxy&);
 
@@ -174,6 +177,8 @@ private:
 
     // Used to signal thread termination.
     OwnPtr<WaitableEvent> m_terminationEvent;
+
+    static std::set<v8::Isolate*>* gIsolates;

[kinuko, 2016/04/11 09:30:40]

Why do we need to have this in the header?

[hong.zheng, 2016/04/15 06:05:57]

Done.

 };
 
 } // namespace blink