CC: Force push properties for all layers when tracing is started

cc/trees/layer_tree_host_unittest_context.cc

Index: cc/trees/layer_tree_host_unittest_context.cc
diff --git a/cc/trees/layer_tree_host_unittest_context.cc b/cc/trees/layer_tree_host_unittest_context.cc
index c99180d8ef25133b184355dde8624e4f20b01e54..36fe57c11c2208d7a80f3409a9ea9dffb0f23ddd 100644
--- a/cc/trees/layer_tree_host_unittest_context.cc
+++ b/cc/trees/layer_tree_host_unittest_context.cc
@@ -104,7 +104,7 @@ class LayerTreeHostContextTest : public LayerTreeTest {
   }
 
   DrawResult PrepareToDrawOnThread(LayerTreeHostImpl* host_impl,
-                                   LayerTreeHostImpl::FrameData* frame,
+                                   FrameData* frame,
                                    DrawResult draw_result) override {
     if (draw_result == DRAW_ABORTED_MISSING_HIGH_RES_CONTENT) {
       // Only valid for single-threaded impl-side painting, which activates
@@ -1130,7 +1130,7 @@ class LayerTreeHostContextTestDontUseLostResources
   }
 
   DrawResult PrepareToDrawOnThread(LayerTreeHostImpl* host_impl,
-                                   LayerTreeHostImpl::FrameData* frame,
+                                   FrameData* frame,
                                    DrawResult draw_result) override {
     if (host_impl->active_tree()->source_frame_number() == 2) {
       // Lose the context during draw on the second commit. This will cause