Mac Overlays: Plumb through GL solid color overlay support

gpu/command_buffer/client/gles2_implementation_autogen.h

Index: gpu/command_buffer/client/gles2_implementation_autogen.h
diff --git a/gpu/command_buffer/client/gles2_implementation_autogen.h b/gpu/command_buffer/client/gles2_implementation_autogen.h
index 3d551a927c48126adfd5d2f20a7d19e0ba70ec30..cad1a4c387b9bedcd0ed1a62b203c6b8ceb30656 100644
--- a/gpu/command_buffer/client/gles2_implementation_autogen.h
+++ b/gpu/command_buffer/client/gles2_implementation_autogen.h
@@ -1049,6 +1049,16 @@ void ScheduleOverlayPlaneCHROMIUM(GLint plane_z_order,
                                   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;