Remove the extra copy of page id.

content/renderer/render_frame_impl.cc

 // 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.
 
 #include "content/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 2699 matching lines @@
       render_view_->history_list_offset_ =
           request_params.pending_history_list_offset;
     }
     // Page id is going away (http://crbug.com/369661); ensure that a
     // replacement that doesn't use page id is equivalent in all cases.
     CHECK_EQ(request_params.page_id != -1,
              request_params.nav_entry_id != 0 &&
              !request_params.intended_as_new_entry);
   }
 
-  bool sent = Send(
-      new FrameHostMsg_DidAssignPageId(routing_id_, render_view_->page_id_));
-  CHECK(sent);  // http://crbug.com/407376
-
   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers_,
                     DidCommitProvisionalLoad(frame, is_new_navigation));
   FOR_EACH_OBSERVER(
       RenderFrameObserver, observers_,
       DidCommitProvisionalLoad(is_new_navigation,
                                navigation_state->WasWithinSamePage()));
 
   if (!frame->parent()) {  // Only for top frames.
     RenderThreadImpl* render_thread_impl = RenderThreadImpl::current();
     if (render_thread_impl) {  // Can be NULL in tests.
@@ skipping 2233 matching lines @@
 #elif defined(ENABLE_BROWSER_CDMS)
         cdm_manager_,
 #endif
         this);
   }
 
   return cdm_factory_;
 }
 
 }  // namespace content