keyboard: Update the visibility after tab-switch.

chrome/test/ui_test_utils.cc

 // Copyright (c) 2010 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/test/ui_test_utils.h"
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 594 matching lines @@
 }
 
 void CrashTab(TabContents* tab) {
   RenderProcessHost* rph = tab->render_view_host()->process();
   base::KillProcess(rph->GetHandle(), 0, false);
   TestNotificationObserver observer;
   RegisterAndWait(&observer, NotificationType::RENDERER_PROCESS_CLOSED,
                   Source<RenderProcessHost>(rph));
 }
 
-void WaitForFocusChange(RenderViewHost* rvh) {
+void WaitForFocusChange(TabContents* tab_contents) {
   TestNotificationObserver observer;
   RegisterAndWait(&observer, NotificationType::FOCUS_CHANGED_IN_PAGE,
-                  Source<RenderViewHost>(rvh));
+                  Source<TabContents>(tab_contents));
 }
 
 void WaitForFocusInBrowser(Browser* browser) {
   TestNotificationObserver observer;
   RegisterAndWait(&observer, NotificationType::FOCUS_RETURNED_TO_BROWSER,
                   Source<Browser>(browser));
 }
 
 int FindInPage(TabContents* tab_contents, const string16& search_string,
                bool forward, bool match_case, int* ordinal) {
@@ skipping 390 matching lines @@
   return taker.TakeRenderWidgetSnapshot(rwh, page_size, page_size, bitmap);
 }
 
 bool TakeEntirePageSnapshot(RenderViewHost* rvh, SkBitmap* bitmap) {
   DCHECK(bitmap);
   SnapshotTaker taker;
   return taker.TakeEntirePageSnapshot(rvh, bitmap);
 }
 
 }  // namespace ui_test_utils