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

cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index f69ae73c2fa5ae82769133d031fe3f8329b9f6a7..2789378223a0d4f6c1f1c7bf1034bf510e388e70 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -2266,6 +2266,7 @@ bool LayerTreeHostImpl::InitializeRenderer(OutputSurface* output_surface) {
       task_runner_provider_->blocking_main_thread_task_runner(),
       settings_.renderer_settings.highp_threshold_min,
       settings_.renderer_settings.texture_id_allocation_chunk_size,
+      settings_.renderer_settings.use_gpu_memory_buffers_by_default,
       settings_.use_image_texture_targets);
 
   CreateAndSetRenderer();