Removing the use of base::Time inside the LayerTreeHost system.

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 8e5a43b60bce53e4be117130b5630308b06c9be2..12908020f8b7c2aee01b972d2d144eeaf6a3ef76 100644
--- a/cc/test/layer_tree_test.cc
+++ b/cc/test/layer_tree_test.cc
@@ -169,10 +169,9 @@ class LayerTreeHostImplForTesting : public LayerTreeHostImpl {
     test_hooks_->DidSetVisibleOnImplTree(this, visible);
   }
 
-  virtual void AnimateLayers(base::TimeTicks monotonic_time,
-                             base::Time wall_clock_time) OVERRIDE {
+  virtual void AnimateLayers(base::TimeTicks monotonic_time) OVERRIDE {
     test_hooks_->WillAnimateLayers(this, monotonic_time);
-    LayerTreeHostImpl::AnimateLayers(monotonic_time, wall_clock_time);
+    LayerTreeHostImpl::AnimateLayers(monotonic_time);
     test_hooks_->AnimateLayers(this, monotonic_time);
   }