Navigation transitions: Plumb data from the outgoing renderer to the incoming renderer

content/browser/frame_host/render_frame_host_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_RENDER_FRAME_HOST_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 35 matching lines @@
 class FrameTreeNode;
 class RenderFrameHostDelegate;
 class RenderFrameProxyHost;
 class RenderProcessHost;
 class RenderViewHostImpl;
 class RenderWidgetHostImpl;
 struct ContextMenuParams;
 struct GlobalRequestID;
 struct Referrer;
 struct ShowDesktopNotificationHostMsgParams;
+struct TransitionLayerData;
 
 class CONTENT_EXPORT RenderFrameHostImpl
     : public RenderFrameHost,
       public BrowserAccessibilityDelegate {
  public:
   static RenderFrameHostImpl* FromID(int process_id, int routing_id);
 
   virtual ~RenderFrameHostImpl();
 
   // RenderFrameHost
@@ skipping 81 matching lines @@
       scoped_ptr<CrossSiteTransferringRequest> cross_site_transferring_request,
       const std::vector<GURL>& transfer_url_chain,
       const Referrer& referrer,
       PageTransition page_transition,
       bool should_replace_current_entry);
 
   // Called on the current RenderFrameHost when the network response is first
   // receieved.
   void OnDeferredAfterResponseStarted(
       const GlobalRequestID& global_request_id,
-      const scoped_refptr<net::HttpResponseHeaders>& headers,
-      const GURL& url);
+      const TransitionLayerData& transition_data);
 
   // Tells the renderer that this RenderFrame is being swapped out for one in a
   // different renderer process.  It should run its unload handler, move to
   // a blank document and create a RenderFrameProxy to replace the RenderFrame.
   // The renderer should preserve the Proxy object until it exits, in case we
   // come back.  The renderer can exit if it has no other active RenderFrames,
   // but not until WasSwappedOut is called (when it is no longer visible).
   void SwapOut(RenderFrameProxyHost* proxy);
 
   void OnSwappedOut(bool timed_out);
@@ skipping 30 matching lines @@
   // Notifies the RenderFrame that the JavaScript message that was shown was
   // closed by the user.
   void JavaScriptDialogClosed(IPC::Message* reply_msg,
                               bool success,
                               const base::string16& user_input,
                               bool dialog_was_suppressed);
 
   // Called when an HTML5 notification is closed.
   void NotificationClosed(int notification_id);
 
-  // Sets whether there is an outstanding transition request. This is called at
-  // the start of a provisional load for the main frame, and cleared when we
-  // hear the response or commit.
-  void SetHasPendingTransitionRequest(bool has_pending_request);
+  // Clears any outstanding transition request. This is called when we hear the
+  // response or commit.
+  void ClearPendingTransitionRequestData();
 
   // Send a message to the renderer process to change the accessibility mode.
   void SetAccessibilityMode(AccessibilityMode AccessibilityMode);
 
   // Turn on accessibility testing. The given callback will be run
   // every time an accessibility notification is received from the
   // renderer process, and the accessibility tree it sent can be
   // retrieved using GetAXTreeForTesting().
   void SetAccessibilityCallbackForTesting(
       const base::Callback<void(ui::AXEvent, int)>& callback);
@@ skipping 166 matching lines @@
   base::Callback<void(ui::AXEvent, int)> accessibility_testing_callback_;
   // The most recently received accessibility tree - for testing only.
   scoped_ptr<ui::AXTree> ax_tree_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_