Cleanup v8 usage in bindings

Source/bindings/v8/ScriptHeapSnapshot.h

 /*
  * Copyright (c) 2010, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * 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 ScriptHeapSnapshot_h
 #define ScriptHeapSnapshot_h
 
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
-
-namespace v8 {
-class HeapSnapshot;
-}
+#include <v8-profiler.h>
 
 namespace WebCore {
 
 class ScriptHeapSnapshot FINAL : public RefCounted<ScriptHeapSnapshot> {
 public:
     class OutputStream {
     public:
         virtual ~OutputStream() { }
         virtual void Write(const String& chunk) = 0;
         virtual void Close() = 0;
@@ skipping 12 matching lines @@
     ScriptHeapSnapshot(const v8::HeapSnapshot* snapshot)
         : m_snapshot(snapshot)
     {}
 
     const v8::HeapSnapshot* m_snapshot;
 };
 
 } // namespace WebCore
 
 #endif // ScriptHeapSnapshot_h