Add subscribeUniform extension pipeline

gpu/command_buffer/common/gles2_cmd_format_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_format_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_format_autogen.h b/gpu/command_buffer/common/gles2_cmd_format_autogen.h
index ccdc040a007916f424d044200dda4c6943990c27..872498cd4de1f45723d47300adfe29a6a0a1b446 100644
--- a/gpu/command_buffer/common/gles2_cmd_format_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_format_autogen.h
@@ -8226,6 +8226,43 @@ COMPILE_ASSERT(
     offsetof(BindUniformLocationCHROMIUMBucket, name_bucket_id) == 12,
     OffsetOf_BindUniformLocationCHROMIUMBucket_name_bucket_id_not_12);
 
+struct SubscribeUniformCHROMIUM {
+  typedef SubscribeUniformCHROMIUM ValueType;
+  static const CommandId kCmdId = kSubscribeUniformCHROMIUM;
+  static const cmd::ArgFlags kArgFlags = cmd::kFixed;
+  static const uint8 cmd_flags = CMD_FLAG_SET_TRACE_LEVEL(3);
+
+  static uint32_t ComputeSize() {
+    return static_cast<uint32_t>(sizeof(ValueType));  // NOLINT
+  }
+
+  void SetHeader() { header.SetCmd<ValueType>(); }
+
+  void Init(GLenum _target, GLuint _bucket_id) {
+    SetHeader();
+    target = _target;
+    bucket_id = _bucket_id;
+  }
+
+  void* Set(void* cmd, GLenum _target, GLuint _bucket_id) {
+    static_cast<ValueType*>(cmd)->Init(_target, _bucket_id);
+    return NextCmdAddress<ValueType>(cmd);
+  }
+
+  gpu::CommandHeader header;
+  uint32_t target;
+  uint32_t bucket_id;
+};
+
+COMPILE_ASSERT(sizeof(SubscribeUniformCHROMIUM) == 12,
+               Sizeof_SubscribeUniformCHROMIUM_is_not_12);
+COMPILE_ASSERT(offsetof(SubscribeUniformCHROMIUM, header) == 0,
+               OffsetOf_SubscribeUniformCHROMIUM_header_not_0);
+COMPILE_ASSERT(offsetof(SubscribeUniformCHROMIUM, target) == 4,
+               OffsetOf_SubscribeUniformCHROMIUM_target_not_4);
+COMPILE_ASSERT(offsetof(SubscribeUniformCHROMIUM, bucket_id) == 8,
+               OffsetOf_SubscribeUniformCHROMIUM_bucket_id_not_8);
+
 struct BindTexImage2DCHROMIUM {
   typedef BindTexImage2DCHROMIUM ValueType;
   static const CommandId kCmdId = kBindTexImage2DCHROMIUM;