Eliminate redundancy in the parameters to NotifyEntryChanged.

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 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/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 3616 matching lines @@
   // TODO(creis): We can't update state for cross-process subframes until we
   // have FrameNavigationEntries.  Once we do, this should be a DCHECK.
   if (rvh->GetDelegate()->GetAsWebContents() != this)
     return;
 
   // We must be prepared to handle state updates for any page, these occur
   // when the user is scrolling and entering form data, as well as when we're
   // leaving a page, in which case our state may have already been moved to
   // the next page. The navigation controller will look up the appropriate
   // NavigationEntry and update it when it is notified via the delegate.
+  NavigationEntryImpl* entry = controller_.GetEntryWithPageID(
+      rvh->GetSiteInstance(), page_id);
 
-  int entry_index = controller_.GetEntryIndexWithPageID(
-      rvh->GetSiteInstance(), page_id);
-  if (entry_index < 0)
+  if (!entry)
     return;
-  NavigationEntry* entry = controller_.GetEntryAtIndex(entry_index);
 
   if (page_state == entry->GetPageState())
     return;  // Nothing to update.
   entry->SetPageState(page_state);
-  controller_.NotifyEntryChanged(entry, entry_index);
+  controller_.NotifyEntryChanged(entry);
 }
 
 void WebContentsImpl::UpdateTargetURL(RenderViewHost* render_view_host,
                                       const GURL& url) {
   if (fullscreen_widget_routing_id_ != MSG_ROUTING_NONE) {
     // If we're fullscreen only update the url if it's from the fullscreen
     // renderer.
     RenderWidgetHostView* fs = GetFullscreenRenderWidgetHostView();
     if (fs && fs->GetRenderWidgetHost() != render_view_host)
       return;
@@ skipping 731 matching lines @@
   player_map->erase(it);
 }
 
 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) {
   force_disable_overscroll_content_ = force_disable;
   if (view_)
     view_->SetOverscrollControllerEnabled(CanOverscrollContent());
 }
 
 }  // namespace content