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

Source/core/inspector/v8/V8Debugger.h

Index: Source/core/inspector/v8/V8Debugger.h
diff --git a/Source/core/inspector/v8/V8Debugger.h b/Source/core/inspector/v8/V8Debugger.h
index 78b0fe866d0938624f129e7b62ee55844c654251..26ebb5ab6e413d259b24c4c10e5dc1d91bcabcb2 100644
--- a/Source/core/inspector/v8/V8Debugger.h
+++ b/Source/core/inspector/v8/V8Debugger.h
@@ -8,6 +8,7 @@
 #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"
 
@@ -21,6 +22,7 @@ class V8DebuggerClient;
 struct ScriptBreakpoint;
 
 class CORE_EXPORT V8Debugger {
+    WTF_MAKE_FAST_ALLOCATED(V8Debugger);
 public:
     static PassOwnPtr<V8Debugger> create(v8::Isolate*, V8DebuggerClient*);
     virtual ~V8Debugger() { }