Move out DidStartProvisionalLoad from WebContentsImpl into Navigator.

content/browser/renderer_host/render_view_host_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/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 173 matching lines @@
       are_javascript_messages_suppressed_(false),
       sudden_termination_allowed_(false),
       render_view_termination_status_(base::TERMINATION_STATUS_STILL_RUNNING) {
   DCHECK(instance_.get());
   CHECK(delegate_);  // http://crbug.com/82827
 
   if (main_frame_routing_id == MSG_ROUTING_NONE)
     main_frame_routing_id = GetProcess()->GetNextRoutingID();
 
   main_render_frame_host_ = RenderFrameHostFactory::Create(
-      this, delegate_->GetFrameTree(), main_frame_routing_id, is_swapped_out_);
+      this, delegate_->GetFrameTree(), delegate_->GetFrameTree()->root(),
+      main_frame_routing_id, is_swapped_out_);
+  delegate_->GetFrameTree()->root()->set_render_frame_host(
+      main_render_frame_host_.get(), false);
 
   GetProcess()->EnableSendQueue();
 
   if (!swapped_out)
     instance_->increment_active_view_count();
 
   if (ResourceDispatcherHostImpl::Get()) {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&ResourceDispatcherHostImpl::OnRenderViewHostCreated,
@@ skipping 1186 matching lines @@
   delegate_->RenderViewTerminated(this,
                                   static_cast<base::TerminationStatus>(status),
                                   exit_code);
 }
 
 void RenderViewHostImpl::OnDidStartProvisionalLoadForFrame(
     int64 frame_id,
     int64 parent_frame_id,
     bool is_main_frame,
     const GURL& url) {
-  delegate_->DidStartProvisionalLoadForFrame(
-      this, frame_id, parent_frame_id, is_main_frame, url);
+  NOTREACHED();
 }
 
 void RenderViewHostImpl::OnDidRedirectProvisionalLoad(
     int32 page_id,
     const GURL& source_url,
     const GURL& target_url) {
   delegate_->DidRedirectProvisionalLoad(
       this, page_id, source_url, target_url);
 }
 
@@ skipping 865 matching lines @@
 void RenderViewHostImpl::AttachToFrameTree() {
   FrameTree* frame_tree = delegate_->GetFrameTree();
 
   frame_tree->SwapMainFrame(main_render_frame_host_.get());
   if (main_frame_id() != FrameTreeNode::kInvalidFrameId) {
     frame_tree->OnFirstNavigationAfterSwap(main_frame_id());
   }
 }
 
 }  // namespace content