Oilpan: GC profiling.

Source/platform/heap/Profiling.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.

[Mads Ager (chromium), 2014/07/11 11:26:54]

2014, and we should probably use the short copyright notice?

[zerny-chromium, 2014/07/11 11:56:37]

Acknowledged.

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-#ifndef StyleSheetResource_h
-#define StyleSheetResource_h
+#ifndef Profiling_h
+#define Profiling_h
 
-#include "core/fetch/TextResource.h"
+// Name for about:tracing events
+#define GC_PROFILE_GROUP "BlinkGC"
 
-namespace WebCore {
+// Extended profiling of memory usage.
+#define GC_PROFILE_HEAP (ENABLE(GC_PROFILING) && true)
+#define GC_PROFILE_HEAP_PAGE_DUMP_THRESHOLD 0
 
-class StyleSheetResourceClient;
+// Extended profiling of GC marking/tracing
+#define GC_PROFILE_MARKING (ENABLE(GC_PROFILING) && false)
 
-class StyleSheetResource : public TextResource {
-public:
-    typedef StyleSheetResourceClient ClientType;
-
-    StyleSheetResource(const ResourceRequest& request, Type type, const String& mimeType, const String& charset)
-        : TextResource(request, type, mimeType, charset)
-    { }
-};
-
-}
+// Dependencies for several profiling usages.
+#define GC_PROFILE_DEFINE_CLASSNAME (GC_PROFILE_HEAP || GC_PROFILE_MARKING)
 
 #endif