Move window.close implementation to DOMWindow

Source/web/WebRemoteFrameImpl.cpp

 // Copyright 2014 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 "config.h"
 #include "web/WebRemoteFrameImpl.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/RemoteFrame.h"
 #include "core/frame/Settings.h"
@@ skipping 314 matching lines @@
 
 void WebRemoteFrameImpl::loadHTMLString(
     const WebData& html, const WebURL& baseURL, const WebURL& unreachableURL,
     bool replace)
 {
     ASSERT_NOT_REACHED();
 }
 
 void WebRemoteFrameImpl::stopLoading()
 {
-    ASSERT_NOT_REACHED();
+    // TODO(dcheng,japhet): Calling this method should stop loads
+    // in all subframes, both remote and local.
 }
 
 WebDataSource* WebRemoteFrameImpl::provisionalDataSource() const
 {
     ASSERT_NOT_REACHED();
     return nullptr;
 }
 
 WebDataSource* WebRemoteFrameImpl::dataSource() const
 {
@@ skipping 470 matching lines @@
     : WebRemoteFrame(scope)
     , m_frameClient(this)
     , m_client(client)
 #if ENABLE(OILPAN)
     , m_selfKeepAlive(this)
 #endif
 {
 }
 
 } // namespace blink