Move LoadProgressTracker to the browser process.

content/browser/web_contents/web_contents_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/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 3357 matching lines @@
 void WebContentsImpl::SwappedOut(RenderFrameHost* rfh) {
   if (delegate_ && rfh->GetRenderViewHost() == GetRenderViewHost())
     delegate_->SwappedOut(this);
 }
 
 void WebContentsImpl::RequestMove(const gfx::Rect& new_bounds) {
   if (delegate_ && delegate_->IsPopupOrPanel(this))
     delegate_->MoveContents(this, new_bounds);
 }
 
-void WebContentsImpl::DidStartLoading(RenderFrameHost* render_frame_host,
+void WebContentsImpl::DidStartLoading(RenderFrameHostImpl* render_frame_host,
                                       bool to_different_document) {
   SetIsLoading(render_frame_host->GetRenderViewHost(), true,
                to_different_document, NULL);
 }
 
-void WebContentsImpl::DidStopLoading(RenderFrameHost* render_frame_host) {
+void WebContentsImpl::DidStopLoading(RenderFrameHostImpl* render_frame_host) {
   scoped_ptr<LoadNotificationDetails> details;
 
   // Use the last committed entry rather than the active one, in case a
   // pending entry has been created.
   NavigationEntry* entry = controller_.GetLastCommittedEntry();
   Navigator* navigator = frame_tree_.root()->navigator();
 
   // An entry may not exist for a stop when loading an initial blank page or
   // if an iframe injected by script into a blank page finishes loading.
   if (entry) {
@@ skipping 529 matching lines @@
 
 void WebContentsImpl::OnPreferredSizeChanged(const gfx::Size& old_size) {
   if (!delegate_)
     return;
   const gfx::Size new_size = GetPreferredSize();
   if (new_size != old_size)
     delegate_->UpdatePreferredSize(this, new_size);
 }
 
 }  // namespace content