Make platform/graphics to use USING_FAST_MALLOC.

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

 // Copyright 2014 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 DisplayItem_h
 #define DisplayItem_h
 
 #include "platform/PlatformExport.h"
 #include "platform/graphics/ContiguousContainer.h"
 #include "platform/graphics/paint/DisplayItemClient.h"
+#include "wtf/Allocator.h"
 #include "wtf/Assertions.h"
+#include "wtf/Noncopyable.h"
 #include "wtf/PassOwnPtr.h"
 
 #ifndef NDEBUG
 #include "wtf/text/StringBuilder.h"
 #include "wtf/text/WTFString.h"
 #endif
 
 
 namespace blink {
 
 class GraphicsContext;
 class IntRect;
 class WebDisplayItemList;
 
 class PLATFORM_EXPORT DisplayItem {
+    DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 public:
     enum {
         // Must be kept in sync with core/paint/PaintPhase.h.
         PaintPhaseMax = 11,
     };
 
     // A display item type uniquely identifies a display item of a client.
     // Some display item types can be categorized using the following directives:
     // - In enum Type:
     //   - enum value <Category>First;
@@ skipping 165 matching lines @@
         // derivedSize must fit in m_derivedSize.
         // If it doesn't, enlarge m_derivedSize and fix this assert.
         ASSERT_WITH_SECURITY_IMPLICATION(derivedSize < (1 << 8));
         ASSERT_WITH_SECURITY_IMPLICATION(derivedSize >= sizeof(*this));
     }
 
     virtual ~DisplayItem() { }
 
     // Ids are for matching new DisplayItems with existing DisplayItems.
     struct Id {
+        STACK_ALLOCATED();
         Id(const DisplayItemClient client, const Type type, const unsigned scope)
             : client(client)
             , type(type)
             , scope(scope) { }
 
         bool matches(const DisplayItem& item) const
         {
             // We should always convert to non-cached types before matching.
             ASSERT(!isCachedType(item.m_type));
             ASSERT(!isCachedType(type));
@@ skipping 167 matching lines @@
     bool isEndAndPairedWith(DisplayItem::Type otherType) const override = 0;
 #endif
 
 private:
     bool isEnd() const final { return true; }
 };
 
 } // namespace blink
 
 #endif // DisplayItem_h