cc: Add flag to specify to ResourceProvider to always use GMBs

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 62c97cc229b15408206c5f249d812ce6dfb8cc15..0fb8399330969940b8d02d0a4ecb6f8601e0dc4c 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -300,6 +300,8 @@ void RenderWidgetCompositor::Initialize() {
   settings.use_partial_raster = compositor_deps_->IsPartialRasterEnabled();
   settings.enable_elastic_overscroll =
       compositor_deps_->IsElasticOverscrollEnabled();
+  settings.renderer_settings.use_gpu_memory_buffers_by_default =
+      compositor_deps_->IsGpuMemoryBufferCompositorResourcesEnabled();
   settings.use_image_texture_targets =
       compositor_deps_->GetImageTextureTargets();
   settings.image_decode_tasks_enabled =