Fixes bug where match preview wouldn't get hidden if match preview was

chrome/browser/browser.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/browser/browser.h"
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #include <windows.h>
 #endif  // OS_WIN
@@ skipping 3248 matching lines @@
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, MatchPreviewDelegate implementation:
 
 void Browser::ShowMatchPreview() {
   DCHECK(match_preview_->tab_contents() == GetSelectedTabContents());
   window_->ShowMatchPreview();
 }
 
 void Browser::HideMatchPreview() {
-  if (match_preview_->tab_contents() == GetSelectedTabContents())
-    window_->HideMatchPreview();
+  window_->HideMatchPreview();
 }
 
 void Browser::CommitMatchPreview() {
   TabContents* tab_contents = match_preview_->tab_contents();
   int index = tabstrip_model_->GetIndexOfTabContents(tab_contents);
   DCHECK_NE(-1, index);
   scoped_ptr<TabContents> preview_contents(
       match_preview()->ReleasePreviewContents(true));
   preview_contents->controller().CopyStateFromAndPrune(
       tab_contents->controller());
@@ skipping 860 matching lines @@
 }
 
 void Browser::TabRestoreServiceDestroyed(TabRestoreService* service) {
   if (!tab_restore_service_)
     return;
 
   DCHECK_EQ(tab_restore_service_, service);
   tab_restore_service_->RemoveObserver(this);
   tab_restore_service_ = NULL;
 }