Update from https://crrev.com/320343

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 3760 matching lines @@
               static_cast<uint32_t>(13));
   EXPECT_EQ(static_cast<uint32_t>(cmds::EnableFeatureCHROMIUM::kCmdId),
             cmd.header.command);
   EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
   EXPECT_EQ(static_cast<GLuint>(11), cmd.bucket_id);
   EXPECT_EQ(static_cast<uint32_t>(12), cmd.result_shm_id);
   EXPECT_EQ(static_cast<uint32_t>(13), cmd.result_shm_offset);
   CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
 }
 
+TEST_F(GLES2FormatTest, MapBufferRange) {
+  cmds::MapBufferRange& cmd = *GetBufferAs<cmds::MapBufferRange>();
+  void* next_cmd =
+      cmd.Set(&cmd, static_cast<GLenum>(11), static_cast<GLintptr>(12),
+              static_cast<GLsizeiptr>(13), static_cast<GLbitfield>(14),
+              static_cast<uint32_t>(15), static_cast<uint32_t>(16),
+              static_cast<uint32_t>(17), static_cast<uint32_t>(18));
+  EXPECT_EQ(static_cast<uint32_t>(cmds::MapBufferRange::kCmdId),
+            cmd.header.command);
+  EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
+  EXPECT_EQ(static_cast<GLenum>(11), cmd.target);
+  EXPECT_EQ(static_cast<GLintptr>(12), cmd.offset);
+  EXPECT_EQ(static_cast<GLsizeiptr>(13), cmd.size);
+  EXPECT_EQ(static_cast<GLbitfield>(14), cmd.access);
+  EXPECT_EQ(static_cast<uint32_t>(15), cmd.data_shm_id);
+  EXPECT_EQ(static_cast<uint32_t>(16), cmd.data_shm_offset);
+  EXPECT_EQ(static_cast<uint32_t>(17), cmd.result_shm_id);
+  EXPECT_EQ(static_cast<uint32_t>(18), cmd.result_shm_offset);
+  CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
+}
+
+TEST_F(GLES2FormatTest, UnmapBuffer) {
+  cmds::UnmapBuffer& cmd = *GetBufferAs<cmds::UnmapBuffer>();
+  void* next_cmd = cmd.Set(&cmd, static_cast<GLenum>(11));
+  EXPECT_EQ(static_cast<uint32_t>(cmds::UnmapBuffer::kCmdId),
+            cmd.header.command);
+  EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
+  EXPECT_EQ(static_cast<GLenum>(11), cmd.target);
+  CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
+}
+
 TEST_F(GLES2FormatTest, ResizeCHROMIUM) {
   cmds::ResizeCHROMIUM& cmd = *GetBufferAs<cmds::ResizeCHROMIUM>();
   void* next_cmd = cmd.Set(&cmd, static_cast<GLuint>(11),
                            static_cast<GLuint>(12), static_cast<GLfloat>(13));
   EXPECT_EQ(static_cast<uint32_t>(cmds::ResizeCHROMIUM::kCmdId),
             cmd.header.command);
   EXPECT_EQ(sizeof(cmd), cmd.header.size * 4u);
   EXPECT_EQ(static_cast<GLuint>(11), cmd.width);
   EXPECT_EQ(static_cast<GLuint>(12), cmd.height);
   EXPECT_EQ(static_cast<GLfloat>(13), cmd.scale_factor);
@@ skipping 855 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_