PlzNavigate: support NavigationThrottle::WillProcessResponse

content/browser/frame_host/navigator.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_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/navigator_delegate.h"
@@ skipping 131 matching lines @@
   // PlzNavigate
   // Used to start a new renderer-initiated navigation, following a
   // BeginNavigation IPC from the renderer.
   virtual void OnBeginNavigation(
       FrameTreeNode* frame_tree_node,
       const CommonNavigationParams& common_params,
       const BeginNavigationParams& begin_params,
       scoped_refptr<ResourceRequestBody> body);
 
   // PlzNavigate
-  // Signal |render_frame_host| that a navigation is ready to commit (the
-  // response to the navigation request has been received).
-  virtual void CommitNavigation(NavigationRequest* navigation_request,
-                                ResourceResponse* response,
-                                scoped_ptr<StreamHandle> body);
-
-  // PlzNavigate
   // Called when a NavigationRequest for |frame_tree_node| failed. An
   // appropriate RenderFrameHost should be selected and asked to show an error
   // page. |has_stale_copy_in_cache| is true if there is a stale copy of the
   // unreachable page in cache.
   virtual void FailedNavigation(FrameTreeNode* frame_tree_node,
                                 bool has_stale_copy_in_cache,
                                 int error_code) {}
 
   // PlzNavigate
   // Cancel a NavigationRequest for |frame_tree_node|. Called when
@@ skipping 16 matching lines @@
       const base::TimeTicks& renderer_before_unload_end_time) {}
 
  protected:
   friend class base::RefCounted<Navigator>;
   virtual ~Navigator() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_H_