Add TransformFeedback related APIs to command buffer: PART I.

gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h b/gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h
index f1846cf4231f5f824575b929e5252c307bb19ade..a1e5c749642ee9dbde348813cc0bd9e951327205 100644
--- a/gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_validation_implementation_autogen.h
@@ -514,6 +514,16 @@ static const GLenum valid_texture_wrap_mode_table[] = {
     GL_REPEAT,
 };
 
+static const GLenum valid_transform_feedback_bind_target_table[] = {
+    GL_TRANSFORM_FEEDBACK,
+};
+
+static const GLenum valid_transform_feedback_primitive_mode_table[] = {
+    GL_POINTS,
+    GL_LINES,
+    GL_TRIANGLES,
+};
+
 static const GLenum valid_value_buffer_target_table[] = {
     GL_SUBSCRIBED_VALUES_BUFFER_CHROMIUM,
 };
@@ -647,6 +657,12 @@ Validators::Validators()
                     arraysize(valid_texture_usage_table)),
       texture_wrap_mode(valid_texture_wrap_mode_table,
                         arraysize(valid_texture_wrap_mode_table)),
+      transform_feedback_bind_target(
+          valid_transform_feedback_bind_target_table,
+          arraysize(valid_transform_feedback_bind_target_table)),
+      transform_feedback_primitive_mode(
+          valid_transform_feedback_primitive_mode_table,
+          arraysize(valid_transform_feedback_primitive_mode_table)),
       value_buffer_target(valid_value_buffer_target_table,
                           arraysize(valid_value_buffer_target_table)),
       vertex_attrib_size(valid_vertex_attrib_size_table,