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

Source/core/frame/OriginsUsingFeatures.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 OriginsUsingFeatures_h
 #define OriginsUsingFeatures_h
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 #include "wtf/HashMap.h"
@@ skipping 26 matching lines @@
     };
 
     static void countAnyWorld(Document&, Feature);
     static void countMainWorldOnly(const ScriptState*, Document&, Feature);
     static void countOriginOrIsolatedWorldHumanReadableName(const ScriptState*, EventTarget&, Feature);
 
     void documentDetached(Document&);
     void updateMeasurementsAndClear();
 
     class CORE_EXPORT Value {
+        ALLOW_ONLY_INLINE_ALLOCATION();
     public:
         Value();
 
         bool isEmpty() const { return !m_countBits; }
         void clear() { m_countBits = 0; }
 
         void count(Feature);
         bool get(Feature feature) const { return m_countBits & (1 << static_cast<unsigned>(feature)); }
 
         void aggregate(Value);
@@ skipping 12 matching lines @@
     void recordOriginsToRappor();
     void recordNamesToRappor();
 
     Vector<std::pair<String, OriginsUsingFeatures::Value>, 1> m_originAndValues;
     HashMap<String, OriginsUsingFeatures::Value> m_valueByName;
 };
 
 } // namespace blink
 
 #endif // OriginsUsingFeatures_h