Add GL_EXT_multisampled_render_to_texture support to command buffer.

ui/gl/gl_bindings_skia_in_process.cc

 // Copyright (c) 2012 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.
 
 
 #include "ui/gl/gl_bindings_skia_in_process.h"
 
 #include "base/logging.h"
 #include "third_party/skia/include/gpu/gl/GrGLInterface.h"
 #include "ui/gl/gl_bindings.h"
@@ skipping 219 matching lines @@
   glFramebufferRenderbufferEXT(target, attachment, renderbuffertarget,
                                renderbuffer);
 }
 
 GLvoid StubGLFramebufferTexture2D(GLenum target, GLenum attachment,
                                   GLenum textarget, GLuint texture,
                                   GLint level) {
   glFramebufferTexture2DEXT(target, attachment, textarget, texture, level);
 }
 
+GLvoid StubGLFramebufferTexture2DMultisample(GLenum target, GLenum attachment,
+                                  GLenum textarget, GLuint texture,
+                                  GLint level, GLsizei samples) {
+  glFramebufferTexture2DMultisampleEXT(target, attachment, textarget, texture,
+      level, samples);
+}
+
 GLvoid StubGLFrontFace(GLenum mode) {
   glFrontFace(mode);
 }
 
 GLvoid StubGLGenBuffers(GLsizei n, GLuint* buffers) {
   glGenBuffersARB(n, buffers);
 }
 
 GLvoid StubGLGenFramebuffers(GLsizei n, GLuint* framebuffers) {
   glGenFramebuffersEXT(n, framebuffers);
@@ skipping 428 matching lines @@
   interface->fVertexAttrib4fv = StubGLVertexAttrib4fv;
   interface->fVertexAttribPointer = StubGLVertexAttribPointer;
   interface->fViewport = StubGLViewport;
   interface->fBindFramebuffer = StubGLBindFramebuffer;
   interface->fBindRenderbuffer = StubGLBindRenderbuffer;
   interface->fCheckFramebufferStatus = StubGLCheckFramebufferStatus;
   interface->fDeleteFramebuffers = StubGLDeleteFramebuffers;
   interface->fDeleteRenderbuffers = StubGLDeleteRenderbuffers;
   interface->fFramebufferRenderbuffer = StubGLFramebufferRenderbuffer;
   interface->fFramebufferTexture2D = StubGLFramebufferTexture2D;
+  interface->fFramebufferTexture2DMultisample =
+    StubGLFramebufferTexture2DMultisample;
   interface->fGenFramebuffers = StubGLGenFramebuffers;
   interface->fGenRenderbuffers = StubGLGenRenderbuffers;
   interface->fGetFramebufferAttachmentParameteriv =
     StubGLGetFramebufferAttachmentParameteriv;
   interface->fGetRenderbufferParameteriv = StubGLGetRenderbufferParameteriv;
   interface->fRenderbufferStorage = StubGLRenderbufferStorage;
   interface->fRenderbufferStorageMultisample =
     StubGLRenderbufferStorageMultisample;
   interface->fBlitFramebuffer = StubGLBlitFramebuffer;
   interface->fMapBuffer = StubGLMapBuffer;
   interface->fUnmapBuffer = StubGLUnmapBuffer;
   interface->fBindFragDataLocationIndexed =
     StubGLBindFragDataLocationIndexed;
   return interface;
 }
 
 }  // namespace gfx