Do not reset NavigationHandle when navigating same-page

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 <memory>
 
 #include "base/containers/scoped_ptr_hash_map.h"
@@ skipping 38 matching lines @@
       RenderFrameHostImpl* render_frame_host,
       const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params)
       override;
   void DidFailLoadWithError(RenderFrameHostImpl* render_frame_host,
                             const GURL& url,
                             int error_code,
                             const base::string16& error_description,
                             bool was_ignored_by_handler) override;
   void DidNavigate(
       RenderFrameHostImpl* render_frame_host,
-      const FrameHostMsg_DidCommitProvisionalLoad_Params& params) override;
+      const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
+      std::unique_ptr<NavigationHandleImpl> navigation_handle) override;
   bool NavigateToPendingEntry(FrameTreeNode* frame_tree_node,
                               const FrameNavigationEntry& frame_entry,
                               ReloadType reload_type,
                               bool is_same_document_history_load) override;
   bool NavigateNewChildFrame(RenderFrameHostImpl* render_frame_host,
                              const GURL& default_url) override;
   void RequestOpenURL(RenderFrameHostImpl* render_frame_host,
                       const GURL& url,
                       bool uses_post,
                       const scoped_refptr<ResourceRequestBodyImpl>& body,
@@ skipping 19 matching lines @@
                          const BeginNavigationParams& begin_params) override;
   void FailedNavigation(FrameTreeNode* frame_tree_node,
                         bool has_stale_copy_in_cache,
                         int error_code) override;
   void LogResourceRequestTime(base::TimeTicks timestamp,
                               const GURL& url) override;
   void LogBeforeUnloadTime(
       const base::TimeTicks& renderer_before_unload_start_time,
       const base::TimeTicks& renderer_before_unload_end_time) override;
   void CancelNavigation(FrameTreeNode* frame_tree_node) override;
-  NavigationHandleImpl* GetNavigationHandleForFrameHost(
-      RenderFrameHostImpl* render_frame_host) override;
   void DiscardPendingEntryIfNeeded(NavigationHandleImpl* handle) override;
 
  private:
   // Holds data used to track browser side navigation metrics.
   struct NavigationMetricsData;
 
   friend class NavigatorTestWithBrowserSideNavigation;
   ~NavigatorImpl() override;
 
   // Navigates to the given entry, which might be the pending entry (if
@@ skipping 47 matching lines @@
   NavigatorDelegate* delegate_;
 
   std::unique_ptr<NavigatorImpl::NavigationMetricsData> navigation_data_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_IMPL_H_