Remove ForceReclaimResources

cc/surfaces/compositor_frame_sink_support.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/surfaces/compositor_frame_sink_support.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "cc/output/compositor_frame.h"
@@ skipping 195 matching lines @@
   surface_returned_resources_.clear();
 }
 
 void CompositorFrameSinkSupport::WillDrawSurface(
     const LocalSurfaceId& local_surface_id,
     const gfx::Rect& damage_rect) {
   if (client_)
     client_->WillDrawSurface(local_surface_id, damage_rect);
 }
 
-void CompositorFrameSinkSupport::ForceReclaimResources() {
-  DCHECK(surface_factory_);
-  surface_factory_->ClearSurface();
-}
-
 void CompositorFrameSinkSupport::ClaimTemporaryReference(
     const SurfaceId& surface_id) {
   surface_manager_->AssignTemporaryReference(surface_id, frame_sink_id_);
 }
 
 CompositorFrameSinkSupport::CompositorFrameSinkSupport(
     CompositorFrameSinkSupportClient* client,
     const FrameSinkId& frame_sink_id,
     bool is_root,
     bool handles_frame_sink_id_invalidation)
@@ skipping 43 matching lines @@
     begin_frame_source_->RemoveObserver(this);
 }
 
 void CompositorFrameSinkSupport::RequestCopyOfSurface(
     std::unique_ptr<CopyOutputRequest> request) {
   DCHECK(surface_factory_);
   surface_factory_->RequestCopyOfSurface(std::move(request));
 }
 
 }  // namespace cc