Get rid of the last RenderViewHostDelegate usage in chrome.

chrome/browser/extensions/extension_process_manager.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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/string_number_conversions.h"
@@ skipping 11 matching lines @@
 #include "chrome/browser/view_type_utils.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
-#include "content/public/browser/render_view_host_delegate.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/renderer_preferences.h"
 
 #if defined(OS_MACOSX)
 #include "chrome/browser/extensions/extension_host_mac.h"
 #endif
 
 using content::BrowserThread;
 using content::OpenURLParams;
 using content::Referrer;
 using content::RenderViewHost;
@@ skipping 242 matching lines @@
   // able to save settings from OTR.
   if (!browser || browser->profile()->IsOffTheRecord()) {
     Profile* profile = GetProfile();
     browser = browser::FindOrCreateTabbedBrowser(profile->GetOriginalProfile());
   }
 
   OpenURLParams params(extension->options_url(), Referrer(), SINGLETON_TAB,
                        content::PAGE_TRANSITION_LINK, false);
   browser->OpenURL(params);
   browser->window()->Show();
-  browser->GetSelectedWebContents()->GetRenderViewHost()->GetDelegate()->
-      Activate();
+  WebContents* web_contents = browser->GetSelectedWebContents();
+  web_contents->GetDelegate()->ActivateContents(web_contents);
 }
 
 ExtensionHost* ExtensionProcessManager::GetBackgroundHostForExtension(
     const std::string& extension_id) {
   for (ExtensionHostSet::iterator iter = background_hosts_.begin();
        iter != background_hosts_.end(); ++iter) {
     ExtensionHost* host = *iter;
     if (host->extension_id() == extension_id)
       return host;
   }
@@ skipping 466 matching lines @@
         if (service && service->is_ready())
           CreateBackgroundHostsForProfileStartup(this, service->extensions());
       }
       break;
     }
     default:
       ExtensionProcessManager::Observe(type, source, details);
       break;
   }
 }