Introduce infrastructure for tracing ScriptWrappables.

third_party/WebKit/Source/bindings/core/v8/V8GCController.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Allocator.h"
 #include <v8.h>
 
 namespace blink {
 
 class ExecutionContext;
 class Node;
+class ScriptWrappableVisitor;

[haraken, 2016/04/13 12:26:22]

Unnecessary change.

[Marcel Hlopko, 2016/04/14 16:39:08]

Done.

 
 class CORE_EXPORT V8GCController {
     STATIC_ONLY(V8GCController);
 public:
     static void gcPrologue(v8::Isolate*, v8::GCType, v8::GCCallbackFlags);
     static void gcEpilogue(v8::Isolate*, v8::GCType, v8::GCCallbackFlags);
 
     static void collectGarbage(v8::Isolate*);
     // You should use collectAllGarbageForTesting() when you want to collect all
     // V8 & Blink objects. It runs multiple V8 GCs to collect references
     // that cross the binding boundary. collectAllGarbage() also runs multipe
     // Oilpan GCs to collect a chain of persistent handles.
     static void collectAllGarbageForTesting(v8::Isolate*);
 
     static Node* opaqueRootForGC(v8::Isolate*, Node*);
 
     static void traceDOMWrappers(v8::Isolate*, Visitor*);
     static bool hasPendingActivity(v8::Isolate*, ExecutionContext*);
 };
 
 } // namespace blink
 
 #endif // V8GCController_h