Move LoadProgressTracker to the browser process.

content/browser/frame_host/navigator_impl.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_
 
 #include "base/memory/ref_counted.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
 #include "content/browser/frame_host/navigator.h"
 #include "content/common/content_export.h"
 
 namespace content {
 
 class NavigationControllerImpl;
 class NavigatorDelegate;
 struct LoadCommittedDetails;
+class LoadProgressTracker;
 
 // This class is an implementation of Navigator, responsible for managing
 // navigations in regular browser tabs.
 class CONTENT_EXPORT NavigatorImpl : public Navigator {
  public:
   NavigatorImpl(NavigationControllerImpl* navigation_controller,
                 NavigatorDelegate* delegate);
 
   // Navigator implementation.
   virtual NavigationController* GetController() OVERRIDE;
@@ skipping 14 matching lines @@
       int32 page_id,
       const GURL& source_url,
       const GURL& target_url) OVERRIDE;
   virtual void DidNavigate(
       RenderFrameHostImpl* render_frame_host,
       const FrameHostMsg_DidCommitProvisionalLoad_Params&
           input_params) OVERRIDE;
   virtual bool NavigateToPendingEntry(
       RenderFrameHostImpl* render_frame_host,
       NavigationController::ReloadType reload_type) OVERRIDE;
+  virtual void DidStartLoading(RenderFrameHostImpl* render_frame_host,
+                               bool to_different_document) OVERRIDE;
+  virtual void DidStopLoading(RenderFrameHostImpl* render_frame_host) OVERRIDE;
+  virtual void DidChangeLoadProgress(RenderFrameHostImpl* render_frame_host,
+                                     double load_progress) OVERRIDE;
   virtual base::TimeTicks GetCurrentLoadStart() OVERRIDE;
   virtual void RequestOpenURL(RenderFrameHostImpl* render_frame_host,
                               const GURL& url,
                               const Referrer& referrer,
                               WindowOpenDisposition disposition,
                               bool should_replace_current_entry,
                               bool user_gesture) OVERRIDE;
   virtual void RequestTransferURL(
       RenderFrameHostImpl* render_frame_host,
       const GURL& url,
       const std::vector<GURL>& redirect_chain,
       const Referrer& referrer,
       PageTransition page_transition,
       WindowOpenDisposition disposition,
       const GlobalRequestID& transferred_global_request_id,
       bool should_replace_current_entry,
       bool user_gesture) OVERRIDE;
 
+  LoadProgressTracker* load_progress_tracker_for_testing() {
+    return load_progress_tracker_.get();
+  }
+
  private:
-  virtual ~NavigatorImpl() {}
+  virtual ~NavigatorImpl();
 
   // Navigates to the given entry, which must be the pending entry.  Private
   // because all callers should use NavigateToPendingEntry.
   bool NavigateToEntry(
       RenderFrameHostImpl* render_frame_host,
       const NavigationEntryImpl& entry,
       NavigationController::ReloadType reload_type);
 
   bool ShouldAssignSiteForURL(const GURL& url);
 
   // The NavigationController that will keep track of session history for all
   // RenderFrameHost objects using this NavigatorImpl.
   // TODO(nasko): Move ownership of the NavigationController from
   // WebContentsImpl to this class.
   NavigationControllerImpl* controller_;
 
   // Used to notify the object embedding this Navigator about navigation
   // events. Can be NULL in tests.
   NavigatorDelegate* delegate_;
 
   // System time at which the current load was started.
   base::TimeTicks current_load_start_;
 
+  // Reports load progress.
+  scoped_ptr<LoadProgressTracker> load_progress_tracker_;
+
   DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_