Rip out CSAA support

src/gpu/gl/unix/GrGLCreateNativeInterface_unix.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "gl/GrGLExtensions.h"
@@ skipping 105 matching lines @@
         interface->fGetTexLevelParameteriv = glGetTexLevelParameteriv;
         GR_GL_GET_PROC(GenQueries);
         interface->fGenTextures = glGenTextures;
         GR_GL_GET_PROC(GetUniformLocation);
         interface->fLineWidth = glLineWidth;
         GR_GL_GET_PROC(LinkProgram);
         GR_GL_GET_PROC(MapBuffer);
         interface->fPixelStorei = glPixelStorei;
         interface->fReadBuffer = glReadBuffer;
         interface->fReadPixels = glReadPixels;
-        if (extensions.has("GL_NV_framebuffer_multisample_coverage")) {
-            GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisampleCoverage, NV);
-        }
         interface->fScissor = glScissor;
         GR_GL_GET_PROC(ShaderSource);
         interface->fStencilFunc = glStencilFunc;
         GR_GL_GET_PROC(StencilFuncSeparate);
         interface->fStencilMask = glStencilMask;
         GR_GL_GET_PROC(StencilMaskSeparate);
         interface->fStencilOp = glStencilOp;
         GR_GL_GET_PROC(StencilOpSeparate);
         interface->fTexImage2D = glTexImage2D;
         interface->fTexGenf = glTexGenf;
@@ skipping 139 matching lines @@
             GR_GL_GET_PROC_SUFFIX(PointAlongPath, NV);
         }
 
         interface->fBindingsExported = kDesktop_GrGLBinding;
 
         return interface;
     } else {
         return NULL;
     }
 }