gpu: Add support for GLX_EXT_texture_from_pixmap extension.

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 4047 matching lines @@
   EXPECT_EQ(static_cast<uint32>(BindUniformLocationCHROMIUMBucket::kCmdId),
             cmd.header.command);
   EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
   EXPECT_EQ(static_cast<GLuint>(11), cmd.program);
   EXPECT_EQ(static_cast<GLint>(12), cmd.location);
   EXPECT_EQ(static_cast<uint32>(13), cmd.name_bucket_id);
   CheckBytesWrittenMatchesExpectedSize(
       next_cmd, sizeof(cmd));
 }
 
+TEST_F(GLES2FormatTest, TexImagePixmap2DCHROMIUM) {
+  TexImagePixmap2DCHROMIUM& cmd = *GetBufferAs<TexImagePixmap2DCHROMIUM>();
+  void* next_cmd = cmd.Set(
+      &cmd,
+      static_cast<GLenum>(11),
+      static_cast<GLuint>(12));
+  EXPECT_EQ(static_cast<uint32>(TexImagePixmap2DCHROMIUM::kCmdId),
+            cmd.header.command);
+  EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
+  EXPECT_EQ(static_cast<GLenum>(11), cmd.target);
+  EXPECT_EQ(static_cast<GLuint>(12), cmd.pixmapId);
+  CheckBytesWrittenMatchesExpectedSize(
+      next_cmd, sizeof(cmd));
+}
+
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_TEST_AUTOGEN_H_