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

ui/gl/gl_surface_stub.h

Index: ui/gl/gl_surface_stub.h
diff --git a/ui/gl/gl_surface_stub.h b/ui/gl/gl_surface_stub.h
index 1bdd32a085ccb59d59be55205d1dbd0263c0bc03..f35e716b3bdfb3c14ed1367cba8ba1e70a478095 100644
--- a/ui/gl/gl_surface_stub.h
+++ b/ui/gl/gl_surface_stub.h
@@ -12,6 +12,9 @@ namespace gfx {
 // A GLSurface that does nothing for unit tests.
 class GL_EXPORT GLSurfaceStub : public GLSurface {
  public:
+  explicit GLSurfaceStub(
+    const gfx::SurfaceConfiguration requested_configuration);
+
   void SetSize(const gfx::Size& size) { size_ = size; }
 
   // Implement GLSurface.