Cleanup of v8 extension stuff. Playback extension is only used in chrome, so move it to chrome\rend…

webkit/support/gc_extension.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "webkit/extensions/v8/gc_extension.h"
+#include "webkit/support/gc_extension.h"
 
 #include "v8/include/v8.h"
 
 const char kGCExtensionName[] = "v8/GCController";
 
 namespace extensions_v8 {
 
 // static
 v8::Extension* GCExtension::Get() {
   v8::Extension* extension = new v8::Extension(
       kGCExtensionName,
       "(function () {"
       "   var v8_gc;"
       "   if (gc) v8_gc = gc;"
       "   GCController = new Object();"
       "   GCController.collect ="
       "     function() {if (v8_gc) v8_gc(); };"
       " })();");
   return extension;
 }
 
 }  // namespace extensions_v8