Teach the native viewport service to draw a Surface into itself

mojo/examples/pepper_container_app/pepper_container_app.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 "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "build/build_config.h"
 #include "mojo/examples/pepper_container_app/mojo_ppapi_globals.h"
@@ skipping 76 matching lines @@
     }
     callback.Run();
   }
 
   // MojoPpapiGlobals::Delegate implementation.
   virtual ScopedMessagePipeHandle CreateGLES2Context() OVERRIDE {
     CommandBufferPtr command_buffer;
     SizePtr size = Size::New();
     size->width = 800;
     size->width = 600;
+    // TODO(jamesr): Output a surface to the native viewport instead.
     gpu_service_->CreateOnscreenGLES2Context(
         native_viewport_id_, size.Pass(), Get(&command_buffer));
     return command_buffer.PassMessagePipe();
   }
 
  private:
   MojoPpapiGlobals ppapi_globals_;
 
   uint64_t native_viewport_id_;
   NativeViewportPtr viewport_;
   GpuPtr gpu_service_;
   scoped_refptr<PluginModule> plugin_module_;
   scoped_ptr<PluginInstance> plugin_instance_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperContainerApp);
 };
 
 }  // namespace examples
 }  // namespace mojo
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   mojo::ApplicationRunnerChromium runner(
       new mojo::examples::PepperContainerApp);
   return runner.Run(shell_handle);
 }