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 333363fdc761f2eeea9b5c9dfde05344ae7d91f9..b85c8bca846e5db483327ed958d6bb91e39c3333 100644
--- a/cc/output/compositor_frame_sink.h
+++ b/cc/output/compositor_frame_sink.h
@@ -40,9 +40,13 @@ 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;
@@ -101,10 +105,6 @@ 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() {}
-
   // Support for a pull-model where draws are requested by the output surface.
   //
   // CompositorFrameSink::Invalidate is called by the compositor to notify that