cc :: Move some tracking of layer_property_changed to main thread.

cc/trees/layer_tree_host_impl_unittest.cc

 // Copyright 2011 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/trees/layer_tree_host_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
@@ skipping 6660 matching lines @@
     LayerTreeHostImpl::FrameData frame;
     EXPECT_EQ(DRAW_SUCCESS, PrepareToDrawFrame(&frame));
     host_impl_->DrawLayers(&frame);
     host_impl_->DidDrawAllLayers(frame);
   }
   Mock::VerifyAndClearExpectations(&mock_context);
 
   // Without partial swap, but a layer does clip its subtree, one scissor is
   // set.
   host_impl_->active_tree()->root_layer()->SetMasksToBounds(true);
+  host_impl_->active_tree()->root_layer()->NoteLayerPropertyChanged();
   harness.MustDrawSolidQuad();
   harness.MustSetScissor(0, 0, 10, 10);
   {
     LayerTreeHostImpl::FrameData frame;
     EXPECT_EQ(DRAW_SUCCESS, PrepareToDrawFrame(&frame));
     host_impl_->DrawLayers(&frame);
     host_impl_->DidDrawAllLayers(frame);
   }
   Mock::VerifyAndClearExpectations(&mock_context);
 }
@@ skipping 3272 matching lines @@
     // There should not be any jitter measured till we hit the fixed point hits
     // threshold.
     float expected_jitter =
         (i == pending_tree->kFixedPointHitsThreshold) ? 500 : 0;
     EXPECT_EQ(jitter, expected_jitter);
   }
 }
 
 }  // namespace
 }  // namespace cc