Make classes and structures in core/frame fast-allocated.

Source/core/frame/TopControls.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TopControls_h
 #define TopControls_h
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebTopControlsState.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
 class FrameHost;
 class FloatSize;
 
 // This class encapsulate data and logic required to show/hide top controls
 // duplicating cc::TopControlsManager behaviour.  Top controls' self-animation
 // to completion is still handled by compositor and kicks in when scrolling is
 // complete (i.e, upon ScrollEnd or FlingEnd).
 class CORE_EXPORT TopControls final : public NoBaseWillBeGarbageCollectedFinalized<TopControls> {
+    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(TopControls);
 public:
     static PassOwnPtrWillBeRawPtr<TopControls> create(const FrameHost& host)
     {
         return adoptPtrWillBeNoop(new TopControls(host));
     }
 
     ~TopControls();
     DECLARE_TRACE();
 
     // The amount that the viewport was shrunk by to accommodate the top
@@ skipping 46 matching lines @@
     // controls height.
     bool m_shrinkViewport;
 
     // Constraints on the top controls state
     WebTopControlsState m_permittedState;
 
 };
 } // namespace blink
 
 #endif // TopControls_h