Adding allocator annotations to blink classes and structs.

Source/core/frame/SmartClip.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 #define SmartClip_h
 
 #include "core/CoreExport.h"
 #include "core/dom/Node.h"
 #include "core/frame/LocalFrame.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class CORE_EXPORT SmartClipData {
+    STACK_ALLOCATED();
 public:
     SmartClipData()
         : m_isEmpty(true)
     {
     }
 
     SmartClipData(Node* node, IntRect rect, String string)
         : m_isEmpty(!node)
         , m_rectInViewport(rect)
         , m_string(string)
@@ skipping 29 matching lines @@
     bool shouldSkipBackgroundImage(Node*);
     void collectOverlappingChildNodes(Node* parentNode, const IntRect& cropRectInViewport, WillBeHeapVector<RawPtrWillBeMember<Node>>& overlappingNodeInfoTable);
     String extractTextFromNode(Node*);
 
     RefPtrWillBeMember<LocalFrame> m_frame;
 };
 
 } // namespace blink
 
 #endif // SmartClip_h