Make blink classes and structures in core/css fast-allocated

Source/core/css/RemoteFontFaceSource.h

Index: Source/core/css/RemoteFontFaceSource.h
diff --git a/Source/core/css/RemoteFontFaceSource.h b/Source/core/css/RemoteFontFaceSource.h
index 3f4d97286155ac73b47cf836977fcc8c524c0f1c..d10c7371756135cac93b46227096527ee5161434 100644
--- a/Source/core/css/RemoteFontFaceSource.h
+++ b/Source/core/css/RemoteFontFaceSource.h
@@ -8,6 +8,7 @@
 #include "core/css/CSSFontFaceSource.h"
 #include "core/fetch/FontResource.h"
 #include "core/fetch/ResourcePtr.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
@@ -42,6 +43,7 @@ protected:
 
 private:
     class FontLoadHistograms {
+        DISALLOW_ALLOCATION();
     public:
         FontLoadHistograms() : m_loadStartTime(0), m_fallbackPaintTime(0) { }
         void loadStarted();