Add tokens and entry points for KHR_blend_equation_advanced

src/gpu/gl/GrGLNoOpInterface.h

Index: src/gpu/gl/GrGLNoOpInterface.h
diff --git a/src/gpu/gl/GrGLNoOpInterface.h b/src/gpu/gl/GrGLNoOpInterface.h
index c7bc9d8cbbd63d6b5423b0e23cee02fab19f211a..84eb1daaef5a0a13f6b0b8f861ce9f3557428831 100644
--- a/src/gpu/gl/GrGLNoOpInterface.h
+++ b/src/gpu/gl/GrGLNoOpInterface.h
@@ -13,14 +13,18 @@
 
 // These are constants/functions that are common to the Null and Debug GL interface implementations.
 
+GrGLvoid GR_GL_FUNCTION_TYPE noOpGLBindFragDataLocation(GrGLuint program,
+                                                        GrGLuint colorNumber,
+                                                        const GrGLchar* name);
+
+GrGLvoid GR_GL_FUNCTION_TYPE noOpGLBlendBarrier();
+
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLBlendColor(GrGLclampf red,
                                               GrGLclampf green,
                                               GrGLclampf blue,
                                               GrGLclampf alpha);
 
-GrGLvoid GR_GL_FUNCTION_TYPE noOpGLBindFragDataLocation(GrGLuint program,
-                                                        GrGLuint colorNumber,
-                                                        const GrGLchar* name);
+GrGLvoid GR_GL_FUNCTION_TYPE noOpGLBlendEquation(GrGLenum mode);
 
 GrGLvoid GR_GL_FUNCTION_TYPE noOpGLBlendFunc(GrGLenum sfactor,
                                              GrGLenum dfactor);