[OriginChip] Add animations for the hiding and showing of the chip.

chrome/browser/ui/omnibox/omnibox_edit_unittest.cc

Index: chrome/browser/ui/omnibox/omnibox_edit_unittest.cc
diff --git a/chrome/browser/ui/omnibox/omnibox_edit_unittest.cc b/chrome/browser/ui/omnibox/omnibox_edit_unittest.cc
index 6115ad7032b4c654776c398c6b9f0698011c53a4..7d27472571b5a17543b897fb51429233c8987abf 100644
--- a/chrome/browser/ui/omnibox/omnibox_edit_unittest.cc
+++ b/chrome/browser/ui/omnibox/omnibox_edit_unittest.cc
@@ -105,10 +105,13 @@ class TestingOmniboxEditController : public OmniboxEditController {
         toolbar_model_(toolbar_model) {
   }
 
+ protected:
   // OmniboxEditController:
   virtual void Update(const content::WebContents* contents) OVERRIDE {}
   virtual void OnChanged() OVERRIDE {}
   virtual void OnSetFocus() OVERRIDE {}
+  virtual void ShowURL() OVERRIDE {}
+  virtual void HideURL() OVERRIDE {}
   virtual InstantController* GetInstant() OVERRIDE { return NULL; }
   virtual WebContents* GetWebContents() OVERRIDE { return NULL; }
   virtual ToolbarModel* GetToolbarModel() OVERRIDE { return toolbar_model_; }