Remove ForceReclaimResources

cc/output/compositor_frame_sink.h

Index: cc/output/compositor_frame_sink.h
diff --git a/cc/output/compositor_frame_sink.h b/cc/output/compositor_frame_sink.h
index 650f7191c2ed4ecacb28542734fdad8da2aa9053..f8b7a47b4e6c97fc06934a4a4062377f270e1e45 100644
--- a/cc/output/compositor_frame_sink.h
+++ b/cc/output/compositor_frame_sink.h
@@ -41,9 +41,13 @@ class CC_EXPORT CompositorFrameSink {
   struct Capabilities {
     Capabilities() = default;
 
-    // Whether ForceReclaimResources can be called to reclaim all resources
-    // from the CompositorFrameSink.
-    bool can_force_reclaim_resources = false;
+    // True if we must always swap, even if there is no damage to the frame.
+    // Needed for both the browser compositor as well as layout tests.
+    // TODO(ericrk): This should be test-only for layout tests, but tab
+    // capture has issues capturing offscreen tabs whithout this. We should
+    // remove this dependency. crbug.com/680196
+    bool must_always_swap = false;
+
     // True if sync points for resources are needed when swapping delegated
     // frames.
     bool delegated_sync_points_required = true;
@@ -102,10 +106,6 @@ class CC_EXPORT CompositorFrameSink {
     return shared_bitmap_manager_;
   }
 
-  // If supported, this causes a ReclaimResources for all resources that are
-  // currently in use.
-  virtual void ForceReclaimResources() {}
-
   // If supported, this sets the LocalSurfaceId the CompositorFrameSink will use
   // to submit a CompositorFrame.
   virtual void SetLocalSurfaceId(const LocalSurfaceId& local_surface_id) {}