Add command buffer support for EXT_sRGB_write_control

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
index de6cafdad516952df67f78ab451e578b7e29ac53..909c6892eca08e9abc2ce021fe0646965d3dda6a 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
@@ -5135,6 +5135,14 @@ bool GLES2DecoderImpl::SetCapabilityState(GLenum cap, bool enabled) {
         return true;
       }
       return false;
+    case GL_FRAMEBUFFER_SRGB_EXT:
+      state_.enable_flags.framebuffer_srgb_ext = enabled;
+      if (state_.enable_flags.cached_framebuffer_srgb_ext != enabled ||
+          state_.ignore_cached_state) {
+        state_.enable_flags.cached_framebuffer_srgb_ext = enabled;
+        return true;
+      }
+      return false;
     case GL_POLYGON_OFFSET_FILL:
       state_.enable_flags.polygon_offset_fill = enabled;
       if (state_.enable_flags.cached_polygon_offset_fill != enabled ||