Extract minimal RenderViewHost interface for embedders, leaving

chrome/browser/ui/webui/sync_setup_handler.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 "chrome/browser/ui/webui/sync_setup_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ skipping 504 matching lines @@
     FilePath profile_file_path = profile->GetPath();
     ProfileMetrics::LogProfileSyncSignIn(profile_file_path);
   }
 }
 
 void SyncSetupHandler::SetFlow(SyncSetupFlow* flow) {
   flow_ = flow;
 }
 
 void SyncSetupHandler::Focus() {
-  web_ui()->GetWebContents()->GetRenderViewHost()->delegate()->Activate();
+  web_ui()->GetWebContents()->GetRenderViewHost()->GetDelegate()->Activate();
 }
 
 void SyncSetupHandler::OnDidClosePage(const ListValue* args) {
   CloseSyncSetup();
 }
 
 void SyncSetupHandler::HandleSubmitAuth(const ListValue* args) {
   std::string json;
   if (!args->GetString(0, &json)) {
     NOTREACHED() << "Could not read JSON argument";
@@ skipping 248 matching lines @@
     if (i != current_profile_index && AreUserNamesEqual(
         cache.GetUserNameOfProfileAtIndex(i), username_utf16)) {
       *error_message = l10n_util::GetStringUTF16(
           IDS_SYNC_USER_NAME_IN_USE_ERROR);
       return false;
     }
   }
 
   return true;
 }