Avoid creating an extra RVH for a tab's opener when one is pending.

content/browser/web_contents/web_contents_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 462 matching lines @@
                        const NotificationDetails& details) OVERRIDE;
 
 
  private:
   friend class NavigationControllerImpl;
   friend class WebContentsObserver;
   friend class WebContents;  // To implement factory methods.
 
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, NoJSMessageOnInterstitials);
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, UpdateTitle);
+  FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, FindOpenerRVHWhenPending);
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest,
                            CrossSiteCantPreemptAfterUnload);
   FRIEND_TEST_ALL_PREFIXES(FormStructureBrowserTest, HTMLFiles);
   FRIEND_TEST_ALL_PREFIXES(NavigationControllerTest, HistoryNavigate);
   FRIEND_TEST_ALL_PREFIXES(RenderViewHostManagerTest, PageDoesBackAndReload);
 
   // So InterstitialPageImpl can access SetIsLoading.
   friend class InterstitialPageImpl;
 
   // TODO(brettw) TestWebContents shouldn't exist!
@@ skipping 397 matching lines @@
   // Maps the ids of pending favicon downloads to their callbacks
   typedef std::map<int, FaviconDownloadCallback> FaviconDownloadMap;
   FaviconDownloadMap favicon_download_map_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_