Convert surfaces/service and dependents to MGL

mojo/gpu/mojo_context_support.h

Index: mojo/gpu/mojo_context_support.h
diff --git a/mojo/gpu/mojo_context_support.h b/mojo/gpu/mojo_context_support.h
index 1c33dd73bde81510c61315a9b6941b2f6fa18540..4f9c77f40d02f03fc465115cf4313139f61d8e19 100644
--- a/mojo/gpu/mojo_context_support.h
+++ b/mojo/gpu/mojo_context_support.h
@@ -7,13 +7,13 @@
 
 #include "base/macros.h"
 #include "gpu/command_buffer/client/context_support.h"
-#include "mojo/public/c/gles2/gles2.h"
+#include "mojo/public/c/gpu/MGL/mgl.h"
 
 namespace mojo {
 
 class MojoContextSupport : public gpu::ContextSupport {
  public:
-  explicit MojoContextSupport(MojoGLES2Context context);
+  explicit MojoContextSupport(MGLContext context);
   ~MojoContextSupport() override;
 
   // gpu::ContextSupport implementation.
@@ -32,7 +32,7 @@ class MojoContextSupport : public gpu::ContextSupport {
   void RetireSyncPointCHROMIUM(uint32 sync_point) override;
 
  private:
-  MojoGLES2Context context_;
+  MGLContext context_;
   DISALLOW_COPY_AND_ASSIGN(MojoContextSupport);
 };
 }