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

Source/core/inspector/v8/V8Debugger.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 V8Debugger_h
 #define V8Debugger_h
 
 #include "core/CoreExport.h"
 #include "core/InspectorTypeBuilder.h"
 #include "core/inspector/v8/V8DebuggerListener.h"
+#include "wtf/FastAllocBase.h"
 #include "wtf/Forward.h"
 #include "wtf/PassOwnPtr.h"
 
 #include <v8-debug.h>
 #include <v8.h>
 
 namespace blink {
 
 class JavaScriptCallFrame;
 class V8DebuggerClient;
 struct ScriptBreakpoint;
 
 class CORE_EXPORT V8Debugger {
+    WTF_MAKE_FAST_ALLOCATED(V8Debugger);
 public:
     static PassOwnPtr<V8Debugger> create(v8::Isolate*, V8DebuggerClient*);
     virtual ~V8Debugger() { }
 
     virtual bool enabled() const = 0;
 
     // Each v8::Context is a part of a group. The group id is used to find approapriate
     // V8DebuggerListener to notify about events in the context.
     // |contextGroupId| must be non-0.
     static void setContextDebugData(v8::Local<v8::Context>, const String& type, int contextGroupId);
@@ skipping 35 matching lines @@
     virtual v8::Local<v8::Value> collectionEntries(v8::Local<v8::Object>&) = 0;
     virtual v8::MaybeLocal<v8::Value> setFunctionVariableValue(v8::Local<v8::Value> functionValue, int scopeNumber, const String& variableName, v8::Local<v8::Value> newValue) = 0;
 
     virtual v8::Isolate* isolate() const = 0;
 };
 
 } // namespace blink
 
 
 #endif // V8Debugger_h