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

chrome/browser/ui/cocoa/omnibox/omnibox_view_mac_unittest.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h"
 
 #include "chrome/browser/ui/cocoa/cocoa_profile_test.h"
 #include "chrome/browser/ui/omnibox/omnibox_edit_controller.h"
 #include "chrome/browser/ui/omnibox/omnibox_popup_model.h"
 #include "chrome/browser/ui/omnibox/omnibox_popup_view.h"
@@ skipping 71 matching lines @@
 };
 
 class TestingOmniboxEditController : public OmniboxEditController {
  public:
   explicit TestingOmniboxEditController(ToolbarModel* toolbar_model)
       : OmniboxEditController(NULL),
         toolbar_model_(toolbar_model) {
   }
   virtual ~TestingOmniboxEditController() {}
 
+ protected:
   // Overridden from 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 content::WebContents* GetWebContents() OVERRIDE { return NULL; }
   virtual ToolbarModel* GetToolbarModel() OVERRIDE { return toolbar_model_; }
   virtual const ToolbarModel* GetToolbarModel() const OVERRIDE {
     return toolbar_model_;
   }
 
  private:
   ToolbarModel* toolbar_model_;
 
@@ skipping 90 matching lines @@
 
   // With popup open verify that pressing up and down arrow works.
   popup_view.set_is_open(true);
   model->set_up_or_down_count(0);
   view.OnDoCommandBySelector(@selector(moveDown:));
   EXPECT_EQ(1, model->up_or_down_count());
   model->set_up_or_down_count(0);
   view.OnDoCommandBySelector(@selector(moveUp:));
   EXPECT_EQ(-1, model->up_or_down_count());
 }