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

Source/core/inspector/V8AsyncCallTracker.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 V8AsyncCallTracker_h
 #define V8AsyncCallTracker_h
 
 #include "bindings/core/v8/ScriptState.h"
 #include "core/inspector/V8DebuggerAgent.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/HashMap.h"
 #include "wtf/Noncopyable.h"
 
 namespace blink {
 
 class ScriptState;
 
 class V8AsyncCallTracker final : public NoBaseWillBeGarbageCollectedFinalized<V8AsyncCallTracker>, public ScriptState::Observer, public V8DebuggerAgent::AsyncCallTrackingListener {
     WTF_MAKE_NONCOPYABLE(V8AsyncCallTracker);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(V8AsyncCallTracker);
+    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(V8AsyncCallTracker);
 public:
     static PassOwnPtrWillBeRawPtr<V8AsyncCallTracker> create(V8DebuggerAgent* debuggerAgent)
     {
         return adoptPtrWillBeNoop(new V8AsyncCallTracker(debuggerAgent));
     }
 
     ~V8AsyncCallTracker();
     DECLARE_TRACE();
 
     // V8DebuggerAgent::AsyncCallTrackingListener implementation:
@@ skipping 12 matching lines @@
     void willHandleV8AsyncTask(ScriptState*, const String& eventName, int id);
 
     class V8ContextAsyncOperations;
     WillBeHeapHashMap<RefPtr<ScriptState>, OwnPtrWillBeMember<V8ContextAsyncOperations>> m_contextAsyncOperationMap;
     RawPtrWillBeMember<V8DebuggerAgent> m_debuggerAgent;
 };
 
 } // namespace blink
 
 #endif // V8AsyncCallTracker_h