Add subscribeUniform extension pipeline

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 7b7845b58ada878c0b265b2924a97c70e5692e10..0a48be99562d22c43589bacb37d3d73930c78bab 100644
--- a/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_format_test_autogen.h
@@ -3143,6 +3143,19 @@ TEST_F(GLES2FormatTest, BindUniformLocationCHROMIUMBucket) {
   CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
 }
 
+TEST_F(GLES2FormatTest, SubscribeUniformCHROMIUM) {
+  cmds::SubscribeUniformCHROMIUM& cmd =
+      *GetBufferAs<cmds::SubscribeUniformCHROMIUM>();
+  void* next_cmd =
+      cmd.Set(&cmd, static_cast<GLenum>(11), static_cast<GLuint>(12));
+  EXPECT_EQ(static_cast<uint32_t>(cmds::SubscribeUniformCHROMIUM::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.bucket_id);
+  CheckBytesWrittenMatchesExpectedSize(next_cmd, sizeof(cmd));
+}
+
 TEST_F(GLES2FormatTest, BindTexImage2DCHROMIUM) {
   cmds::BindTexImage2DCHROMIUM& cmd =
       *GetBufferAs<cmds::BindTexImage2DCHROMIUM>();