Make classes and structures in web fast-allocated.

Source/platform/graphics/GraphicsLayerFactory.h

Index: Source/platform/graphics/GraphicsLayerFactory.h
diff --git a/Source/platform/graphics/GraphicsLayerFactory.h b/Source/platform/graphics/GraphicsLayerFactory.h
index 923bdc0fb03b5b4f875ad430e0492c532f9582c8..03c24bc326fe4f3898926eb72b3ed6b81cbfa9f4 100644
--- a/Source/platform/graphics/GraphicsLayerFactory.h
+++ b/Source/platform/graphics/GraphicsLayerFactory.h
@@ -27,6 +27,7 @@
 #define GraphicsLayerFactory_h
 
 #include "platform/PlatformExport.h"
+#include "wtf/FastAllocBase.h"
 #include "wtf/Forward.h"
 
 namespace blink {
@@ -35,6 +36,7 @@ class GraphicsLayer;
 class GraphicsLayerClient;
 
 class PLATFORM_EXPORT GraphicsLayerFactory {
+    WTF_MAKE_FAST_ALLOCATED(GraphicsLayerFactory);
 public:
     virtual ~GraphicsLayerFactory() { }