Cleanup: Return additional schemes vector as out parameter from GetAdditionalWebUISchemes

chrome/browser/chrome_content_browser_client.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/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 802 matching lines @@
     }
   }
 
   // Hosted apps that have script access to their background page must use
   // process per site, since all instances can make synchronous calls to the
   // background window.  Other extensions should use process per site as well.
   return true;
 }
 
 // These are treated as WebUI schemes but do not get WebUI bindings.
-std::vector<std::string>
-ChromeContentBrowserClient::GetAdditionalWebUISchemes() {
-  std::vector<std::string> additional_schemes;
-  additional_schemes.push_back(chrome::kChromeSearchScheme);
-  return additional_schemes;
+void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
+    std::vector<std::string>* additional_schemes) {
+  additional_schemes->push_back(chrome::kChromeSearchScheme);
 }
 
 net::URLRequestContextGetter*
 ChromeContentBrowserClient::CreateRequestContext(
     content::BrowserContext* browser_context,
     content::ProtocolHandlerMap* protocol_handlers) {
   Profile* profile = Profile::FromBrowserContext(browser_context);
   return profile->CreateRequestContext(protocol_handlers);
 }
 
@@ skipping 1358 matching lines @@
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     ChromeContentBrowserClient::GetCryptoPasswordDelegate(
         const GURL& url) {
   return chrome::NewCryptoModuleBlockingDialogDelegate(
       chrome::kCryptoModulePasswordKeygen, url.host());
 }
 #endif
 
 }  // namespace chrome