implement getBufferSubDataAsync prototype

gpu/command_buffer/common/gles2_cmd_format_test_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h b/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
index b5dd0eacfb1f7bf5c4c7a07eb1c35665775014ac..25cdeb645df798230735d6f9d18fa1ffcc4c3cec 100644
--- a/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
@@ -5274,6 +5274,24 @@ TEST_F(GLES2FormatTest, ProgramPathFragmentInputGenCHROMIUM) {
   CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
 }
 
+TEST_F(GLES2FormatTest, GetBufferSubDataAsyncCHROMIUM) {
+  cmds::GetBufferSubDataAsyncCHROMIUM& cmd =
+      *GetBufferAs<cmds::GetBufferSubDataAsyncCHROMIUM>();
+  void* next_cmd =
+      cmd.Set(&cmd, static_cast<GLenum>(11), static_cast<GLintptr>(12),
+              static_cast<GLsizeiptr>(13), static_cast<uint32_t>(14),
+              static_cast<uint32_t>(15));
+  EXPECT_EQ(static_cast<uint32_t>(cmds::GetBufferSubDataAsyncCHROMIUM::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<uint32_t>(14), cmd.data_shm_id);
+  EXPECT_EQ(static_cast<uint32_t>(15), cmd.data_shm_offset);
+  CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
+}
+
 TEST_F(GLES2FormatTest, CoverageModulationCHROMIUM) {
   cmds::CoverageModulationCHROMIUM& cmd =
       *GetBufferAs<cmds::CoverageModulationCHROMIUM>();