Make platform/graphics to use USING_FAST_MALLOC.

third_party/WebKit/Source/platform/graphics/paint/PaintChunker.h

Index: third_party/WebKit/Source/platform/graphics/paint/PaintChunker.h
diff --git a/third_party/WebKit/Source/platform/graphics/paint/PaintChunker.h b/third_party/WebKit/Source/platform/graphics/paint/PaintChunker.h
index ddf8811128b0cd0cd25c65fa1f7dd670192b9ed1..ef8671469c70fbb8e432b6dc9f3d2af8d43c80be 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/PaintChunker.h
+++ b/third_party/WebKit/Source/platform/graphics/paint/PaintChunker.h
@@ -8,6 +8,8 @@
 #include "platform/PlatformExport.h"
 #include "platform/graphics/paint/PaintChunk.h"
 #include "platform/graphics/paint/PaintChunkProperties.h"
+#include "wtf/Allocator.h"
+#include "wtf/Noncopyable.h"
 #include "wtf/Vector.h"
 
 namespace blink {
@@ -15,7 +17,9 @@ namespace blink {
 // Accepts information about changes to |PaintChunkProperties| as drawings are
 // accumulated, and produces a series of paint chunks: contiguous ranges of the
 // display list with identical |PaintChunkProperties|.
-class PLATFORM_EXPORT PaintChunker {
+class PLATFORM_EXPORT PaintChunker final {
+    DISALLOW_NEW();
+    WTF_MAKE_NONCOPYABLE(PaintChunker);
 public:
     PaintChunker();
     ~PaintChunker();