Update the native_viewport interface to allow specification of the surface configuration, currently…

services/native_viewport/onscreen_context_provider.h

Index: services/native_viewport/onscreen_context_provider.h
diff --git a/services/native_viewport/onscreen_context_provider.h b/services/native_viewport/onscreen_context_provider.h
index 46ab1b190448e322c0f1470090e9674c7618ca69..afaafff08153afd860c3ac30c8d79b545edea2ca 100644
--- a/services/native_viewport/onscreen_context_provider.h
+++ b/services/native_viewport/onscreen_context_provider.h
@@ -10,6 +10,7 @@
 #include "mojo/services/gpu/public/interfaces/viewport_parameter_listener.mojom.h"
 #include "services/gles2/command_buffer_impl.h"
 #include "ui/gfx/native_widget_types.h"
+#include "ui/gl/gl_surface.h"
 
 namespace gles2 {
 class GpuState;
@@ -26,6 +27,8 @@ class OnscreenContextProvider : public mojo::ContextProvider,
   void Bind(mojo::InterfaceRequest<mojo::ContextProvider> request);
 
   void SetAcceleratedWidget(gfx::AcceleratedWidget widget);
+  void SetSurfaceConfiguration(
+      gfx::SurfaceConfiguration requested_configuration);
 
  private:
   // mojo::ContextProvider implementation:
@@ -37,6 +40,7 @@ class OnscreenContextProvider : public mojo::ContextProvider,
 
   void CreateAndReturnCommandBuffer();
 
+  gfx::SurfaceConfiguration requested_configuration_;
   gles2::CommandBufferImpl* command_buffer_impl_;
   scoped_refptr<gles2::GpuState> state_;
   gfx::AcceleratedWidget widget_;