Remove calls to HandleScope default ctor.

Source/bindings/v8/V8PerContextData.cpp

 /*
  * Copyright (C) 2012 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 172 matching lines @@
 static void setDebugData(v8::Handle<v8::Context> context, v8::Handle<v8::Value> value)
 {
     v8::Context::Scope contextScope(context);
     context->SetEmbedderData(v8ContextDebugIdIndex, value);
 }
 
 bool V8PerContextDebugData::setContextDebugData(v8::Handle<v8::Context> context, const char* worldName, int debugId)
 {
     if (!debugData(context)->IsUndefined())
         return false;
-    v8::HandleScope scope;
+    v8::HandleScope scope(context->GetIsolate());
     v8::Handle<v8::Value> debugData = createDebugData(worldName, debugId);
     setDebugData(context, debugData);
     return true;
 }
 
 int V8PerContextDebugData::contextDebugId(v8::Handle<v8::Context> context)
 {
-    v8::HandleScope scope;
+    v8::HandleScope scope(context->GetIsolate());
     v8::Handle<v8::Value> data = debugData(context);
 
     if (!data->IsString())
         return -1;
     v8::String::AsciiValue ascii(data);
     char* comma = strnstr(*ascii, ",", ascii.length());
     if (!comma)
         return -1;
     return atoi(comma + 1);
 }
 
 } // namespace WebCore