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

Source/core/frame/PageScaleConstraints.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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef PageScaleConstraints_h
 #define PageScaleConstraints_h
 
 #include "core/CoreExport.h"
 #include "platform/geometry/FloatSize.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
 struct CORE_EXPORT PageScaleConstraints {
+    DISALLOW_ALLOCATION();
     FloatSize layoutSize;
 
     float initialScale;
     float minimumScale;
     float maximumScale;
 
     PageScaleConstraints();
     PageScaleConstraints(float initial, float minimum, float maximum);
 
     void overrideWith(const PageScaleConstraints& other);
     float clampToConstraints(float pageScaleFactor) const;
     void clampAll();
     void fitToContentsWidth(float contentsWidth, int viewWidthNotIncludingScrollbars);
     void resolveAutoInitialScale();
 
     bool operator==(const PageScaleConstraints& other) const;
 };
 
 } // namespace blink
 
 #endif // PageScaleConstraints_h