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

Source/core/inspector/IdentifiersFactory.h

 /*
  * Copyright (C) 2011 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 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 IdentifiersFactory_h
 #define IdentifiersFactory_h
 
 #include "core/CoreExport.h"
+#include "wtf/Allocator.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class DocumentLoader;
 class LocalFrame;
 
 class CORE_EXPORT IdentifiersFactory {
+    STATIC_ONLY(IdentifiersFactory);
 public:
     static void setProcessId(long);
     static String createIdentifier();
 
     static String requestId(unsigned long identifier);
 
     static String frameId(LocalFrame*);
     static LocalFrame* frameById(LocalFrame* inspectedFrame, const String&);
 
     static String loaderId(DocumentLoader*);
     static DocumentLoader* loaderById(LocalFrame* inspectedFrame, const String&);
 
 private:
     static String addProcessIdPrefixTo(int id);
     static int removeProcessIdPrefixFrom(const String&, bool* ok);
 };
 
 } // namespace blink
 
 
 #endif // IdentifiersFactory_h