Flush after ResourcePool deletions complete

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 c602b9bfa89c963069ab94d4c3dcaaa3c4a9420b..cd4f53d7439f69acacacbbe8cacf731222e5063b 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -1471,10 +1471,8 @@ void LayerTreeHostImpl::ReclaimResources(
   // If we're not visible, we likely released resources, so we want to
   // aggressively flush here to make sure those DeleteTextures make it to the
   // GPU process to free up the memory.
-  if (compositor_frame_sink_->context_provider() && !visible_) {
-    compositor_frame_sink_->context_provider()
-        ->ContextGL()
-        ->ShallowFlushCHROMIUM();
+  if (!visible_) {

[vmpstr, 2017/01/09 21:43:43]

nit: no braces

+    resource_provider_->FlushPendingDeletions();
   }
 }