Convert more automation calls to the JSON interface.

chrome/test/automation/automation_proxy.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/test/automation/automation_proxy.h"
 
 #include <sstream>
 
 #include "base/basictypes.h"
 #include "base/debug/trace_event.h"
@@ skipping 448 matching lines @@
         !success)
       return false;
     buffer.AddFragment(chunk);
   }
   buffer.Finish();
 
   *json_trace_output = output.json_output;
   return true;
 }
 
-bool AutomationProxy::ResetToDefaultTheme() {
-  return Send(new AutomationMsg_ResetToDefaultTheme());
-}
-
 bool AutomationProxy::SendJSONRequest(const std::string& request,
                                       int timeout_ms,
                                       std::string* response) {
   bool result = false;
   if (!SendAutomationJSONRequest(this, request, timeout_ms, response, &result))
     return false;
   return result;
 }