Add glTransformFeedbackVaryings to GPU command buffer.

gpu/command_buffer/common/gles2_cmd_format_test_autogen.h

 // Copyright 2014 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
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 2154 matching lines @@
   EXPECT_EQ(static_cast<GLsizei>(17), cmd.height);
   EXPECT_EQ(static_cast<GLsizei>(18), cmd.depth);
   EXPECT_EQ(static_cast<GLenum>(19), cmd.format);
   EXPECT_EQ(static_cast<GLenum>(20), cmd.type);
   EXPECT_EQ(static_cast<uint32_t>(21), cmd.pixels_shm_id);
   EXPECT_EQ(static_cast<uint32_t>(22), cmd.pixels_shm_offset);
   EXPECT_EQ(static_cast<GLboolean>(23), cmd.internal);
   CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
 }
 
+TEST_F(GLES2FormatTest, TransformFeedbackVaryingsBucket) {
+  cmds::TransformFeedbackVaryingsBucket& cmd =
+      *GetBufferAs<cmds::TransformFeedbackVaryingsBucket>();
+  void* next_cmd = cmd.Set(&cmd, static_cast<GLuint>(11),
+                           static_cast<uint32_t>(12), static_cast<GLenum>(13));
+  EXPECT_EQ(
+      static_cast<uint32_t>(cmds::TransformFeedbackVaryingsBucket::kCmdId),
+      cmd.header.command);
+  EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
+  EXPECT_EQ(static_cast<GLuint>(11), cmd.program);
+  EXPECT_EQ(static_cast<uint32_t>(12), cmd.varyings_bucket_id);
+  EXPECT_EQ(static_cast<GLenum>(13), cmd.buffermode);
+  CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
+}
+
 TEST_F(GLES2FormatTest, Uniform1f) {
   cmds::Uniform1f& cmd = *GetBufferAs<cmds::Uniform1f>();
   void* next_cmd =
       cmd.Set(&cmd, static_cast<GLint>(11), static_cast<GLfloat>(12));
   EXPECT_EQ(static_cast<uint32_t>(cmds::Uniform1f::kCmdId), cmd.header.command);
   EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
   EXPECT_EQ(static_cast<GLint>(11), cmd.location);
   EXPECT_EQ(static_cast<GLfloat>(12), cmd.x);
   CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
 }
@@ skipping 2194 matching lines @@
 TEST_F(GLES2FormatTest, BlendBarrierKHR) {
   cmds::BlendBarrierKHR& cmd = *GetBufferAs<cmds::BlendBarrierKHR>();
   void* next_cmd = cmd.Set(&cmd);
   EXPECT_EQ(static_cast<uint32_t>(cmds::BlendBarrierKHR::kCmdId),
             cmd.header.command);
   EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
   CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
 }
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_TEST_AUTOGEN_H_