Rename GetPreferredSize to CalculatePreferredSize in ash/

ash/wm/system_modal_container_layout_manager_unittest.cc

Index: ash/wm/system_modal_container_layout_manager_unittest.cc
diff --git a/ash/wm/system_modal_container_layout_manager_unittest.cc b/ash/wm/system_modal_container_layout_manager_unittest.cc
index e87a676dc1b9dd8e98b2a14b59e5b2fa221478f8..cc3ac1f4e771cd52df1be3e49ea246b6d8f06657 100644
--- a/ash/wm/system_modal_container_layout_manager_unittest.cc
+++ b/ash/wm/system_modal_container_layout_manager_unittest.cc
@@ -81,7 +81,9 @@ class TestWindow : public views::WidgetDelegateView {
   }
 
   // Overridden from views::View:
-  gfx::Size GetPreferredSize() const override { return gfx::Size(50, 50); }
+  gfx::Size CalculatePreferredSize() const override {
+    return gfx::Size(50, 50);
+  }
 
   // Overridden from views::WidgetDelegate:
   ui::ModalType GetModalType() const override {