switch to using native JSON object

chrome/test/render_view_test.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.
 
 #include "chrome/test/render_view_test.h"
 
 #include "chrome/common/native_web_keyboard_event.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/renderer/extensions/event_bindings.h"
@@ skipping 50 matching lines @@
 #elif defined(OS_POSIX)
   command_line_.reset(new CommandLine(std::vector<std::string>()));
 #endif
   params_.reset(new MainFunctionParams(*command_line_, *sandbox_init_wrapper_,
                                        NULL));
   platform_.reset(new RendererMainPlatformDelegate(*params_));
   platform_->PlatformInitialize();
 
   WebKit::initialize(&webkitclient_);
   WebKit::registerExtension(BaseJsV8Extension::Get());
-  WebKit::registerExtension(JsonJsV8Extension::Get());
   WebKit::registerExtension(JsonSchemaJsV8Extension::Get());
   WebKit::registerExtension(EventBindings::Get());
   WebKit::registerExtension(ExtensionProcessBindings::Get());
   WebKit::registerExtension(RendererExtensionBindings::Get());
   EventBindings::SetRenderThread(&render_thread_);
 
   // TODO(aa): Should some of this go to some other inheriting class?
   std::vector<std::string> names;
   ExtensionFunctionDispatcher::GetAllFunctionNames(&names);
   ExtensionProcessBindings::SetFunctionNames(names);
@@ skipping 73 matching lines @@
   keyup_message->WriteData(reinterpret_cast<const char*>(&keyup_event),
                            sizeof(WebKit::WebKeyboardEvent));
   view_->OnHandleInputEvent(*keyup_message);
 
   return length;
 #else
   NOTIMPLEMENTED();
   return L'\0';
 #endif
 }