(DEPRECATED) Send navigation_start to browser process in DidStartProvisionalLoad

content/browser/frame_host/navigation_request.h

 // Copyright 2014 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_NAVIGATION_REQUEST_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_REQUEST_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 48 matching lines @@
 
   // Creates a request for a browser-intiated navigation.
   static scoped_ptr<NavigationRequest> CreateBrowserInitiated(
       FrameTreeNode* frame_tree_node,
       const GURL& dest_url,
       const Referrer& dest_referrer,
       const FrameNavigationEntry& frame_entry,
       const NavigationEntryImpl& entry,
       FrameMsg_Navigate_Type::Value navigation_type,
       bool is_same_document_history_load,
-      base::TimeTicks navigation_start,
+      const base::TimeTicks& navigation_start,
       NavigationControllerImpl* controller);
 
   // Creates a request for a renderer-intiated navigation.
   // Note: |body| is sent to the IO thread when calling BeginNavigation, and
   // should no longer be manipulated afterwards on the UI thread.
   // TODO(clamy): see if ResourceRequestBody could be un-refcounted to avoid
   // threading subtleties.
   static scoped_ptr<NavigationRequest> CreateRendererInitiated(
       FrameTreeNode* frame_tree_node,
       const CommonNavigationParams& common_params,
@@ skipping 117 matching lines @@
   int bindings_;
 
   scoped_ptr<NavigationHandleImpl> navigation_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationRequest);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_REQUEST_H_