Make async waiter explicit MojoGLES2CreateContext param

mojo/examples/pepper_container_app/graphics_3d_resource.cc

 // Copyright 2014 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 "mojo/examples/pepper_container_app/graphics_3d_resource.h"
 
 #include "base/logging.h"
 #include "mojo/examples/pepper_container_app/mojo_ppapi_globals.h"
 #include "mojo/examples/pepper_container_app/plugin_instance.h"
 #include "mojo/public/c/gles2/gles2.h"
+#include "mojo/public/cpp/environment/environment.h"
 #include "ppapi/c/pp_errors.h"
 
 namespace mojo {
 namespace examples {
 
 namespace {
 
 gpu::CommandBuffer::State GetErrorState() {
   gpu::CommandBuffer::State error_state;
   error_state.error = gpu::error::kGenericError;
   return error_state;
 }
 
 }  // namespace
 
 Graphics3DResource::Graphics3DResource(PP_Instance instance)
     : Resource(ppapi::OBJECT_IS_IMPL, instance) {
   ScopedMessagePipeHandle pipe = MojoPpapiGlobals::Get()->CreateGLES2Context();
   context_ = MojoGLES2CreateContext(pipe.release().value(),
                                     &ContextLostThunk,
-                                    this);
+                                    this,
+                                    Environment::GetDefaultAsyncWaiter());
 }
 
 bool Graphics3DResource::IsBoundGraphics() const {
   PluginInstance* plugin_instance =
       MojoPpapiGlobals::Get()->GetInstance(pp_instance());
   return plugin_instance && plugin_instance->IsBoundGraphics(pp_resource());
 }
 
 void Graphics3DResource::BindGraphics() {
   MojoGLES2MakeCurrent(context_);
@@ skipping 113 matching lines @@
 
 void Graphics3DResource::ContextLost() {
   PluginInstance* plugin_instance =
       MojoPpapiGlobals::Get()->GetInstance(pp_instance());
   if (plugin_instance)
     plugin_instance->Graphics3DContextLost();
 }
 
 }  // namespace examples
 }  // namespace mojo