Navigation transitions (web to native app): Pass data after starting provisional load (Chrome side)

content/browser/frame_host/navigator_delegate.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_DELEGATE_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_DELEGATE_H_
 
 #include "base/strings/string16.h"
+#include "content/browser/transition_request_manager.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/navigation_controller.h"
 #include "ui/base/page_transition_types.h"
 #include "ui/base/window_open_disposition.h"
 
 class GURL;
 struct FrameHostMsg_DidCommitProvisionalLoad_Params;
 struct FrameHostMsg_DidFailProvisionalLoadWithError_Params;
 
 namespace content {
 
 class RenderFrameHostImpl;
 struct LoadCommittedDetails;
 struct OpenURLParams;
 
 // A delegate API used by Navigator to notify its embedder of navigation
 // related events.
 class CONTENT_EXPORT NavigatorDelegate {
  public:
   // The RenderFrameHost started a provisional load for the frame
   // represented by |render_frame_host|.
   virtual void DidStartProvisionalLoad(
       RenderFrameHostImpl* render_frame_host,
       const GURL& validated_url,
       bool is_error_page,
       bool is_iframe_srcdoc) {}
 
   // The |render_frame_host| started a transition-flagged navigation.
   virtual void DidStartNavigationTransition(
-      RenderFrameHostImpl* render_frame_host) {}
+      RenderFrameHostImpl* render_frame_host,
+      const TransitionLayerData& transition_data) {}
 
   // A provisional load in |render_frame_host| failed.
   virtual void DidFailProvisionalLoadWithError(
       RenderFrameHostImpl* render_frame_host,
       const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params) {}
 
   // Document load in |render_frame_host| failed.
   virtual void DidFailLoadWithError(
       RenderFrameHostImpl* render_frame_host,
       const GURL& url,
@@ skipping 47 matching lines @@
                               const OpenURLParams& params) {}
 
   // Returns whether URLs for aborted browser-initiated navigations should be
   // preserved in the omnibox.  Defaults to false.
   virtual bool ShouldPreserveAbortedURLs();
 };
 
 }  // namspace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_DELEGATE_H_