Revert of Remove ForceReclaimResources

cc/surfaces/direct_compositor_frame_sink.cc

Index: cc/surfaces/direct_compositor_frame_sink.cc
diff --git a/cc/surfaces/direct_compositor_frame_sink.cc b/cc/surfaces/direct_compositor_frame_sink.cc
index 188f7db7b7a6c5b3afebe45da5afcdbb8fdeec2f..01239ee9f822df7c1f589bf8691e0857cf804881 100644
--- a/cc/surfaces/direct_compositor_frame_sink.cc
+++ b/cc/surfaces/direct_compositor_frame_sink.cc
@@ -32,7 +32,7 @@
       display_(display),
       factory_(frame_sink_id, surface_manager, this) {
   DCHECK(thread_checker_.CalledOnValidThread());
-  capabilities_.must_always_swap = true;
+  capabilities_.can_force_reclaim_resources = true;
   // Display and DirectCompositorFrameSink share a GL context, so sync
   // points aren't needed when passing resources between them.
   capabilities_.delegated_sync_points_required = false;
@@ -50,7 +50,7 @@
       display_(display),
       factory_(frame_sink_id_, surface_manager, this) {
   DCHECK(thread_checker_.CalledOnValidThread());
-  capabilities_.must_always_swap = true;
+  capabilities_.can_force_reclaim_resources = true;
 }
 
 DirectCompositorFrameSink::~DirectCompositorFrameSink() {
@@ -102,6 +102,11 @@
                  base::Unretained(this)));
 }
 
+void DirectCompositorFrameSink::ForceReclaimResources() {
+  if (delegated_local_frame_id_.is_valid())
+    factory_.ClearSurface();
+}
+
 void DirectCompositorFrameSink::ReturnResources(
     const ReturnedResourceArray& resources) {
   if (client_)