Remove calls to HandleScope default ctor.

Source/bindings/v8/custom/V8InjectedScriptHostCustom.cpp

 /*
  * Copyright (C) 2007-2011 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 53 matching lines @@
 Node* InjectedScriptHost::scriptValueAsNode(ScriptValue value)
 {
     v8::HandleScope scope(v8::Isolate::GetCurrent());
     if (!value.isObject() || value.isNull())
         return 0;
     return V8Node::toNative(v8::Handle<v8::Object>::Cast(value.v8Value()));
 }
 
 ScriptValue InjectedScriptHost::nodeAsScriptValue(ScriptState* state, Node* node)
 {
-    v8::HandleScope scope;
+    v8::HandleScope scope(state->isolate());
     v8::Local<v8::Context> context = state->context();
     v8::Context::Scope contextScope(context);
 
     if (!BindingSecurity::shouldAllowAccessToNode(node))
         return ScriptValue(v8::Null());
-    return ScriptValue(toV8(node, v8::Handle<v8::Object>(), context->GetIsolate()));
+    return ScriptValue(toV8(node, v8::Handle<v8::Object>(), state->isolate()));
 }
 
 void V8InjectedScriptHost::inspectedObjectMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     if (args.Length() < 1)
         return;
 
     if (!args[0]->IsInt32()) {
         throwTypeError("argument has to be an integer", args.GetIsolate());
         return;
@@ skipping 340 matching lines @@
     int lineNumber;
     int columnNumber;
     if (!getFunctionLocation(args, &scriptId, &lineNumber, &columnNumber))
         return;
 
     InjectedScriptHost* host = V8InjectedScriptHost::toNative(args.Holder());
     host->unmonitorFunction(scriptId, lineNumber, columnNumber);
 }
 
 } // namespace WebCore