Move EmptyString, kWhitespace and the BOM to base.

chrome_frame/test/automation_client_mock.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 CHROME_FRAME_TEST_AUTOMATION_CLIENT_MOCK_H_
 #define CHROME_FRAME_TEST_AUTOMATION_CLIENT_MOCK_H_
 
 #include <windows.h>
 #include <string>
 
@@ skipping 49 matching lines @@
   MOCK_METHOD2(OnSetCookieAsync, void(const GURL& url,
       const std::string& cookie));
 
   // Use for sending network responses
   void SetRequestDelegate(PluginUrlRequestDelegate* request_delegate) {
     request_delegate_ = request_delegate;
   }
 
   void ReplyStarted(int request_id, const char* headers) {
     request_delegate_->OnResponseStarted(request_id, "text/html", headers,
-      0, base::Time::Now(), EmptyString(), 0, net::HostPortPair(), 0);
+      0, base::Time::Now(), std::string(), 0, net::HostPortPair(), 0);
   }
 
   void ReplyData(int request_id, const std::string* data) {
     request_delegate_->OnReadComplete(request_id, *data);
   }
 
   void Reply(const net::URLRequestStatus& status, int request_id) {
     request_delegate_->OnResponseEnd(request_id, status);
   }
 
@@ skipping 98 matching lines @@
   virtual void SetUp() {
     dummy_sender_.ForwardTo(&mock_proxy_);
     tracker_.reset(new AutomationHandleTracker());
 
     client_ = new ChromeFrameAutomationClient;
     client_->set_proxy_factory(&factory_);
   }
 };
 
 #endif  // CHROME_FRAME_TEST_AUTOMATION_CLIENT_MOCK_H_