Mac Overlays: Plumb through GL solid color overlay support

mojo/gpu/mojo_gles2_impl_autogen.h

 // 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 763 matching lines @@
                                     GLenum plane_transform,
                                     GLuint overlay_texture_id,
                                     GLint bounds_x,
                                     GLint bounds_y,
                                     GLint bounds_width,
                                     GLint bounds_height,
                                     GLfloat uv_x,
                                     GLfloat uv_y,
                                     GLfloat uv_width,
                                     GLfloat uv_height) override;
+  void ScheduleSolidColorOverlayPlaneCHROMIUM(GLint plane_z_order,
+                                              GLint bounds_x,
+                                              GLint bounds_y,
+                                              GLint bounds_width,
+                                              GLint bounds_height,
+                                              GLclampf red,
+                                              GLclampf green,
+                                              GLclampf blue,
+                                              GLclampf alpha) override;
   void SwapInterval(GLint interval) override;
   void FlushDriverCachesCHROMIUM() override;
   void MatrixLoadfCHROMIUM(GLenum matrixMode, const GLfloat* m) override;
   void MatrixLoadIdentityCHROMIUM(GLenum matrixMode) override;
   GLuint GenPathsCHROMIUM(GLsizei range) override;
   void DeletePathsCHROMIUM(GLuint path, GLsizei range) override;
   GLboolean IsPathCHROMIUM(GLuint path) override;
   void PathCommandsCHROMIUM(GLuint path,
                             GLsizei numCommands,
                             const GLubyte* commands,
@@ skipping 24 matching lines @@
   GLenum GetGraphicsResetStatusKHR() override;
   void BlendBarrierKHR() override;
   void ApplyScreenSpaceAntialiasingCHROMIUM() override;
 
  private:
   MojoGLES2Context context_;
 };
 
 }  // namespace mojo
 #endif  // MOJO_GPU_MOJO_GLES2_IMPL_AUTOGEN_H_