Remove more calls to HandleScope default ctor.

chrome/renderer/extensions/user_script_scheduler.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/renderer/extensions/user_script_scheduler.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
@@ skipping 182 matching lines @@
           continue;
         } else {
           error = ErrorUtils::FormatErrorMessage(
               extension_manifest_errors::kCannotAccessPage,
               child_frame->document().url().spec());
           break;
         }
       }
 
       WebScriptSource source(WebString::fromUTF8(params.code));
-      v8::HandleScope scope;
+      v8::HandleScope scope(v8::Isolate::GetCurrent());
 
       scoped_ptr<content::V8ValueConverter> v8_converter(
           content::V8ValueConverter::create());
       v8::Local<v8::Value> script_value;
 
       if (params.in_main_world) {
         DOMActivityLogger::AttachToWorld(
             DOMActivityLogger::kMainWorldId,
             extension->id(),
             UserScriptSlave::GetDataSourceURLForFrame(child_frame),
@@ skipping 55 matching lines @@
 
   for (WebFrame* child_frame = parent_frame->firstChild(); child_frame;
        child_frame = child_frame->nextSibling()) {
     frames_vector->push_back(child_frame);
     GetAllChildFrames(child_frame, frames_vector);
   }
   return true;
 }
 
 }  // namespace extensions