Rename Widget::CalculateOffsetToAncestorWithLayer() to Widget::GetLayer()

ui/views/view_unittest.cc

Index: ui/views/view_unittest.cc
diff --git a/ui/views/view_unittest.cc b/ui/views/view_unittest.cc
index 1707f740ee8a657c7e9dea71a4f490817287a5e5..a5ccc2efe83f187e72a4c83da5e012659db750a6 100644
--- a/ui/views/view_unittest.cc
+++ b/ui/views/view_unittest.cc
@@ -2894,9 +2894,7 @@ class ViewLayerTest : public ViewsTestBase {
 
   // Returns the Layer used by the RootView.
   ui::Layer* GetRootLayer() {
-    ui::Layer* root_layer = NULL;
-    widget()->CalculateOffsetToAncestorWithLayer(&root_layer);
-    return root_layer;
+    return widget()->GetLayer();
   }
 
   virtual void SetUp() OVERRIDE {
@@ -2929,8 +2927,7 @@ class ViewLayerTest : public ViewsTestBase {
 TEST_F(ViewLayerTest, LayerToggling) {
   // Because we lazily create textures the calls to DrawTree are necessary to
   // ensure we trigger creation of textures.
-  ui::Layer* root_layer = NULL;
-  widget()->CalculateOffsetToAncestorWithLayer(&root_layer);
+  ui::Layer* root_layer = widget()->GetLayer();
   View* content_view = new View;
   widget()->SetContentsView(content_view);