Set user_gesture bit at NavigationHandle creation time.

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/navigation_handle_impl.h"
@@ skipping 31 matching lines @@
  public:
   // Returns the delegate of this Navigator.
   virtual NavigatorDelegate* GetDelegate();
 
   // Returns the NavigationController associated with this Navigator.
   virtual NavigationController* GetController();
 
   // Notifications coming from the RenderFrameHosts ----------------------------
 
   // The RenderFrameHostImpl started a provisional load.
-  virtual void DidStartProvisionalLoad(
-      RenderFrameHostImpl* render_frame_host,
-      const GURL& url,
-      const base::TimeTicks& navigation_start) {};
+  virtual void DidStartProvisionalLoad(RenderFrameHostImpl* render_frame_host,
+                                       const GURL& url,
+                                       const base::TimeTicks& navigation_start,
+                                       NavigationGesture gesture){};
 
   // The RenderFrameHostImpl has failed a provisional load.
   virtual void DidFailProvisionalLoadWithError(
       RenderFrameHostImpl* render_frame_host,
       const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params) {};
 
   // The RenderFrameHostImpl has failed to load the document.
   virtual void DidFailLoadWithError(
       RenderFrameHostImpl* render_frame_host,
       const GURL& url,
@@ skipping 123 matching lines @@
   virtual void DiscardPendingEntryIfNeeded(NavigationHandleImpl* handle) {}
 
  protected:
   friend class base::RefCounted<Navigator>;
   virtual ~Navigator() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATOR_H_