re-use WebUIs

content/renderer/render_view_impl.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 "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 2923 matching lines @@
     dom_automation_controller_->set_routing_id(routing_id());
     dom_automation_controller_->BindToJavascript(frame,
                                                  "domAutomationController");
   }
 }
 
 void RenderViewImpl::didCreateDocumentElement(WebFrame* frame) {
   // Notify the browser about non-blank documents loading in the top frame.
   GURL url = frame->document().url();
   if (url.is_valid() && url.spec() != chrome::kAboutBlankURL) {
-    Send(new ViewHostMsg_DocumentAvailableInFrame(
-        routing_id_,
-        frame == webview()->mainFrame(),
-        frame->document().url()));
+    if (frame == webview()->mainFrame())
+      Send(new ViewHostMsg_DocumentAvailableInMainFrame(routing_id_));
   }
 
   FOR_EACH_OBSERVER(RenderViewObserver, observers_,
                     DidCreateDocumentElement(frame));
 }
 
 void RenderViewImpl::didReceiveTitle(WebFrame* frame, const WebString& title,
                                      WebTextDirection direction) {
   UpdateTitle(frame, title, direction);
 
@@ skipping 2299 matching lines @@
 bool RenderViewImpl::WebWidgetHandlesCompositorScheduling() const {
   return !!RenderThreadImpl::current()->compositor_thread();
 }
 
 void RenderViewImpl::OnJavaBridgeInit() {
   DCHECK(!java_bridge_dispatcher_.get());
 #if defined(ENABLE_JAVA_BRIDGE)
   java_bridge_dispatcher_.reset(new JavaBridgeDispatcher(this));
 #endif
 }