Add GL_EXT_multisampled_render_to_texture support to command buffer.

gpu/command_buffer/common/gles2_cmd_format_test_autogen.h

 // 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // DO NOT EDIT!
 
 // This file contains unit tests for gles2 commmands
 // It is included by gles2_cmd_format_test.cc
@@ skipping 3308 matching lines @@
   EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
   EXPECT_EQ(static_cast<GLenum>(11), cmd.target);
   EXPECT_EQ(static_cast<GLsizei>(12), cmd.samples);
   EXPECT_EQ(static_cast<GLenum>(13), cmd.internalformat);
   EXPECT_EQ(static_cast<GLsizei>(14), cmd.width);
   EXPECT_EQ(static_cast<GLsizei>(15), cmd.height);
   CheckBytesWrittenMatchesExpectedSize(
       next_cmd, sizeof(cmd));
 }
 
+TEST_F(GLES2FormatTest, FramebufferTexture2DMultisampleEXT) {
+  cmds::FramebufferTexture2DMultisampleEXT& cmd =
+      *GetBufferAs<cmds::FramebufferTexture2DMultisampleEXT>();
+  void* next_cmd = cmd.Set(
+      &cmd,
+      static_cast<GLenum>(11),
+      static_cast<GLenum>(12),
+      static_cast<GLenum>(13),
+      static_cast<GLuint>(14),
+      static_cast<GLint>(15),
+      static_cast<GLsizei>(16));
+  EXPECT_EQ(
+      static_cast<uint32>(cmds::FramebufferTexture2DMultisampleEXT::kCmdId),
+            cmd.header.command);
+  EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
+  EXPECT_EQ(static_cast<GLenum>(11), cmd.target);
+  EXPECT_EQ(static_cast<GLenum>(12), cmd.attachment);
+  EXPECT_EQ(static_cast<GLenum>(13), cmd.textarget);
+  EXPECT_EQ(static_cast<GLuint>(14), cmd.texture);
+  EXPECT_EQ(static_cast<GLint>(15), cmd.level);
+  EXPECT_EQ(static_cast<GLsizei>(16), cmd.samples);
+  CheckBytesWrittenMatchesExpectedSize(
+      next_cmd, sizeof(cmd));
+}
+
 TEST_F(GLES2FormatTest, TexStorage2DEXT) {
   cmds::TexStorage2DEXT& cmd = *GetBufferAs<cmds::TexStorage2DEXT>();
   void* next_cmd = cmd.Set(
       &cmd,
       static_cast<GLenum>(11),
       static_cast<GLsizei>(12),
       static_cast<GLenum>(13),
       static_cast<GLsizei>(14),
       static_cast<GLsizei>(15));
   EXPECT_EQ(static_cast<uint32>(cmds::TexStorage2DEXT::kCmdId),
@@ skipping 1160 matching lines @@
   EXPECT_EQ(kExpectedCmdSize, cmd.header.size * 4u);
   EXPECT_EQ(static_cast<GLsizei>(1), cmd.count);
   CheckBytesWrittenMatchesExpectedSize(
       next_cmd, sizeof(cmd) +
       RoundSizeToMultipleOfEntries(sizeof(data)));
   // TODO(gman): Check that data was inserted;
 }
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_TEST_AUTOGEN_H_