Add PPAPI permissions for the testing interface

ppapi/proxy/ppb_testing_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 "ppapi/proxy/ppb_testing_proxy.h"
 
 #include "base/message_loop.h"
 #include "ppapi/c/dev/ppb_testing_dev.h"
 #include "ppapi/proxy/enter_proxy.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
@@ skipping 138 matching lines @@
     &testing_interface,
     PPB_TESTING_DEV_INTERFACE,
     API_ID_PPB_TESTING,
     false,
     &CreateTestingProxy,
   };
   return &info;
 }
 
 bool PPB_Testing_Proxy::OnMessageReceived(const IPC::Message& msg) {
+  if (!dispatcher()->permissions().HasPermission(PERMISSION_TESTING))

[bbudge, 2012/12/07 22:23:41]

Should we also allow this for the 'DEV' permission, since it's a 'Dev'
interface?

+    return false;
+
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PPB_Testing_Proxy, msg)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTesting_ReadImageData,
                         OnMsgReadImageData)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTesting_GetLiveObjectsForInstance,
                         OnMsgGetLiveObjectsForInstance)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTesting_SimulateInputEvent,
                         OnMsgSimulateInputEvent)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
@@ skipping 26 matching lines @@
     PP_Instance instance,
     const InputEventData& input_event) {
   scoped_refptr<PPB_InputEvent_Shared> input_event_impl(
       new PPB_InputEvent_Shared(OBJECT_IS_PROXY, instance, input_event));
   ppb_testing_impl_->SimulateInputEvent(instance,
                                         input_event_impl->pp_resource());
 }
 
 }  // namespace proxy
 }  // namespace ppapi