Modify extension request IPC messages to pass a ListValue instead of a string.

chrome/browser/automation/automation_extension_function.cc

 // Copyright (c) 2009 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.
 
 // Implements AutomationExtensionFunction.
 
 #include "chrome/browser/automation/automation_extension_function.h"
 
 #include "base/json_reader.h"
 #include "base/json_writer.h"
 #include "chrome/browser/automation/extension_automation_constants.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 
 bool AutomationExtensionFunction::enabled_ = false;
 
-void AutomationExtensionFunction::SetArgs(const std::string& args) {
-  args_ = args;
+void AutomationExtensionFunction::SetArgs(const Value* args) {
+  JSONWriter::Write(args, false, &args_);
 }
 
 const std::string AutomationExtensionFunction::GetResult() {
   // Our API result passing is done through InterceptMessageFromExternalHost
   return "";
 }
 
 const std::string AutomationExtensionFunction::GetError() {
   // Our API result passing is done through InterceptMessageFromExternalHost
   return "";
@@ skipping 76 matching lines @@
         // functions, we should use that instead.
         view_host->SendExtensionResponse(request_id, success,
                                          response, error);
         return true;
       }
     }
   }
 
   return false;
 }