Remove page id from title and state updating.

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 <utility>
 #include <vector>
@@ skipping 3560 matching lines @@
     if (request_params.nav_entry_id != 0 &&
         !request_params.intended_as_new_entry) {
       // This is a successful session history navigation!
       render_view_->page_id_ = request_params.page_id;
 
       render_view_->history_list_offset_ =
           request_params.pending_history_list_offset;
     }
   }
 
-  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 2943 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content