Revert of Add subscribeUniform extension pipeline

gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h

Index: gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
diff --git a/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h b/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
index 623be626ed7190fe5de84a8d786a1a3021aa61ef..5d7cebd0e55a1cb8698872be28dec90fa762d7b9 100644
--- a/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
+++ b/gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h
@@ -3063,14 +3063,6 @@
     {
      0x8DE0,
      "GL_MAX_GEOMETRY_OUTPUT_VERTICES_EXT",
-    },
-    {
-     0x924C,
-     "GL_MOUSE_POSITION_CHROMIUM",
-    },
-    {
-     0x924B,
-     "GL_SUBSCRIBED_VALUES_BUFFER_CHROMIUM",
     },
     {
      0x924A,
@@ -4363,14 +4355,6 @@
       string_table, arraysize(string_table), value);
 }
 
-std::string GLES2Util::GetStringSubscriptionTarget(uint32_t value) {
-  static const EnumToString string_table[] = {
-      {GL_MOUSE_POSITION_CHROMIUM, "GL_MOUSE_POSITION_CHROMIUM"},
-  };
-  return GLES2Util::GetQualifiedEnumString(string_table,
-                                           arraysize(string_table), value);
-}
-
 std::string GLES2Util::GetStringTextureBindTarget(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_TEXTURE_2D, "GL_TEXTURE_2D"},
@@ -4495,15 +4479,6 @@
       string_table, arraysize(string_table), value);
 }
 
-std::string GLES2Util::GetStringValueBufferTarget(uint32_t value) {
-  static const EnumToString string_table[] = {
-      {GL_SUBSCRIBED_VALUES_BUFFER_CHROMIUM,
-       "GL_SUBSCRIBED_VALUES_BUFFER_CHROMIUM"},
-  };
-  return GLES2Util::GetQualifiedEnumString(string_table,
-                                           arraysize(string_table), value);
-}
-
 std::string GLES2Util::GetStringVertexAttribType(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_BYTE, "GL_BYTE"},