Don't animate the download shelf when entering/exiting fullscreen.

chrome/browser/ui/browser.cc

 // Copyright 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 "chrome/browser/ui/browser.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 808 matching lines @@
     return DOWNLOAD_CLOSE_LAST_WINDOW_IN_INCOGNITO_PROFILE;
   }
 
   // Those are the only conditions under which we will block shutdown.
   return DOWNLOAD_CLOSE_OK;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // Browser, Tab adding/showing functions:
 
+void Browser::WindowFullscreenStateWillChange() {
+  exclusive_access_manager_->fullscreen_controller()
+      ->WindowFullscreenStateWillChange();
+}
+
 void Browser::WindowFullscreenStateChanged() {
   exclusive_access_manager_->fullscreen_controller()
       ->WindowFullscreenStateChanged();
   command_controller_->FullscreenStateChanged();
   UpdateBookmarkBarState(BOOKMARK_BAR_STATE_CHANGE_TOGGLE_FULLSCREEN);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, Assorted browser commands:
 
@@ skipping 1826 matching lines @@
     // new window later, thus we need to navigate the window now.
     if (contents) {
       contents->web_contents()->GetController().LoadURL(
           target_url, content::Referrer(), ui::PAGE_TRANSITION_LINK,
           std::string());  // No extra headers.
     }
   }
 
   return contents != NULL;
 }