[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..24bd6304071a897494d882162df6655686a13ae0 100644
--- a/chrome/browser/ui/omnibox/omnibox_edit_unittest.cc
+++ b/chrome/browser/ui/omnibox/omnibox_edit_unittest.cc
@@ -109,6 +109,7 @@ class TestingOmniboxEditController : public OmniboxEditController {
   virtual void Update(const content::WebContents* contents) OVERRIDE {}
   virtual void OnChanged() OVERRIDE {}
   virtual void OnSetFocus() OVERRIDE {}
+  virtual void ShowURL() OVERRIDE {}
   virtual InstantController* GetInstant() OVERRIDE { return NULL; }
   virtual WebContents* GetWebContents() OVERRIDE { return NULL; }
   virtual ToolbarModel* GetToolbarModel() OVERRIDE { return toolbar_model_; }
@@ -116,6 +117,10 @@ class TestingOmniboxEditController : public OmniboxEditController {
     return toolbar_model_;
   }
 
+ protected:
+  // OmniboxEditController:
+  virtual void HideURLAndShowOriginChip() OVERRIDE {}
+
  private:
   ToolbarModel* toolbar_model_;