Make the file chooser use PP_ArrayOutput

ppapi/proxy/ppb_instance_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_instance_proxy.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_time.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/c/ppb_audio_config.h"
@@ skipping 555 matching lines @@
 void PPB_Instance_Proxy::OnHostMsgPostMessage(
     PP_Instance instance,
     SerializedVarReceiveInput message) {
   EnterInstanceNoLock enter(instance, false);
   if (enter.succeeded())
     enter.functions()->PostMessage(instance, message.Get(dispatcher()));
 }
 
 void PPB_Instance_Proxy::OnHostMsgLockMouse(PP_Instance instance) {
   EnterHostFunctionForceCallback<PPB_Instance_FunctionAPI> enter(
-      instance, callback_factory_,
-      &PPB_Instance_Proxy::MouseLockCompleteInHost, instance);
+      instance,
+      callback_factory_.NewCallback(
+          &PPB_Instance_Proxy::MouseLockCompleteInHost,
+          instance));
   if (enter.succeeded())
     enter.SetResult(enter.functions()->LockMouse(instance, enter.callback()));
 }
 
 void PPB_Instance_Proxy::OnHostMsgUnlockMouse(PP_Instance instance) {
   EnterFunctionNoLock<PPB_Instance_FunctionAPI> enter(instance, true);
   if (enter.succeeded())
     enter.functions()->UnlockMouse(instance);
 }
 
@@ skipping 62 matching lines @@
 }
 
 void PPB_Instance_Proxy::MouseLockCompleteInHost(int32_t result,
                                                  PP_Instance instance) {
   dispatcher()->Send(new PpapiMsg_PPBInstance_MouseLockComplete(
       API_ID_PPB_INSTANCE, instance, result));
 }
 
 }  // namespace proxy
 }  // namespace ppapi