cc: Remove fixed raster scale, stop rasterizing with will-change.

cc/test/layer_tree_test.cc

Index: cc/test/layer_tree_test.cc
diff --git a/cc/test/layer_tree_test.cc b/cc/test/layer_tree_test.cc
index 8430020de0023c02a0c87e51ce09e163c5596098..61635e8d2adec87a55bac96906a1fbe674a98dfe 100644
--- a/cc/test/layer_tree_test.cc
+++ b/cc/test/layer_tree_test.cc
@@ -394,9 +394,6 @@ class LayerTreeHostClientForTesting : public LayerTreeHostClient,
   void RequestScheduleComposite() override { test_hooks_->ScheduleComposite(); }
   void DidCompletePageScaleAnimation() override {}
   void BeginMainFrameNotExpectedSoon() override {}
-  void ReportFixedRasterScaleUseCounters(
-      bool has_blurry_content,
-      bool has_potential_performance_regression) override {}
 
  private:
   explicit LayerTreeHostClientForTesting(TestHooks* test_hooks)