Adds better security checking to OnCreatedFrame()

components/web_view/web_view_impl.cc

 // Copyright 2015 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 "components/web_view/web_view_impl.h"
 
 #include "base/command_line.h"
 #include "components/devtools_service/public/cpp/switches.h"
 #include "components/view_manager/public/cpp/scoped_view_ptr.h"
 #include "components/view_manager/public/cpp/view.h"
@@ skipping 51 matching lines @@
   Frame::ClientPropertyMap client_properties;
   if (devtools_agent_) {
     devtools_service::DevToolsAgentPtr forward_agent;
     frame_connection->application_connection()->ConnectToService(
         &forward_agent);
     devtools_agent_->AttachFrame(forward_agent.Pass(), &client_properties);
   }
 
   FrameTreeClient* frame_tree_client = frame_connection->frame_tree_client();
   const uint32_t content_handler_id = frame_connection->GetContentHandlerID();
-  frame_tree_.reset(new FrameTree(content_handler_id, content_, this,
-                                  frame_tree_client, frame_connection.Pass(),
-                                  client_properties));
-  content_->Embed(view_tree_client.Pass());
+  frame_tree_.reset(new FrameTree(
+      content_handler_id, content_, view_tree_client.Pass(), this,
+      frame_tree_client, frame_connection.Pass(), client_properties));
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // WebViewImpl, WebView implementation:
 
 void WebViewImpl::LoadRequest(mojo::URLRequestPtr request) {
   pending_load_.reset(new PendingWebViewLoad(this));
   pending_load_->Init(request.Pass());
 }
 
@@ skipping 85 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // WebViewImpl, FrameDevToolsAgentDelegate implementation:
 
 void WebViewImpl::HandlePageNavigateRequest(const GURL& url) {
   mojo::URLRequestPtr request(mojo::URLRequest::New());
   request->url = url.spec();
   client_->TopLevelNavigate(request.Pass());
 }
 
 }  // namespace web_view