DRAFT CL: Add FrameNavigationEntry and track subframe session histories.

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/common/content_export.h"
 #include "content/public/browser/navigation_controller.h"
 #include "ui/base/window_open_disposition.h"
 
 class GURL;
 struct FrameHostMsg_BeginNavigation_Params;
 struct FrameHostMsg_DidCommitProvisionalLoad_Params;
 struct FrameHostMsg_DidFailProvisionalLoadWithError_Params;
 
 namespace base {
 class TimeTicks;
 }
 
 namespace content {
 
+class FrameNavigationEntry;
 class FrameTreeNode;
 class NavigationControllerImpl;
 class NavigationEntryImpl;
 class NavigationRequest;
 class NavigatorDelegate;
 class RenderFrameHostImpl;
 class ResourceRequestBody;
 class StreamHandle;
 struct BeginNavigationParams;
 struct CommonNavigationParams;
@@ skipping 44 matching lines @@
   // to a new URL).
   //
   // If this method returns false, then the navigation is discarded (equivalent
   // to calling DiscardPendingEntry on the NavigationController).
   //
   // TODO(nasko): Remove this method from the interface, since Navigator and
   // NavigationController know about each other. This will be possible once
   // initialization of Navigator and NavigationController is properly done.
   virtual bool NavigateToPendingEntry(
       FrameTreeNode* frame_tree_node,
+      const FrameNavigationEntry& frame_nav_entry,
       NavigationController::ReloadType reload_type);
 
 
   // Navigation requests -------------------------------------------------------
 
   virtual base::TimeTicks GetCurrentLoadStart();
 
   // The RenderFrameHostImpl has received a request to open a URL with the
   // specified |disposition|.
   virtual void RequestOpenURL(RenderFrameHostImpl* render_frame_host,
@@ skipping 69 matching lines @@
   virtual bool IsWaitingForBeforeUnloadACK(FrameTreeNode* frame_tree_node);
 
  protected:
   friend class base::RefCounted<Navigator>;
   virtual ~Navigator() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_H_