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

chrome/browser/ui/toolbar/toolbar_model.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_H_
 #define CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 13 matching lines @@
   // don't need two sets of security UI levels.  SECURITY_STYLE_AUTHENTICATED
   // needs to be refined into three levels: warning, standard, and EV.
   enum SecurityLevel {
 #define DEFINE_TOOLBAR_MODEL_SECURITY_LEVEL(name,value)  name = value,
 #include "chrome/browser/ui/toolbar/toolbar_model_security_level_list.h"
 #undef DEFINE_TOOLBAR_MODEL_SECURITY_LEVEL
   };
 
   virtual ~ToolbarModel();
 
-  // Returns the text for the current page's URL. This will have been formatted
-  // for display to the user:
-  //   - Some characters may be unescaped.
-  //   - The scheme and/or trailing slash may be dropped.
+  // Returns the text to be displayed in the toolbar for the current page.
+  // The text is formatted in various ways:
   //   - If the current page's URL is a search URL for the user's default search
   //     engine, the query will be extracted and returned for display instead
   //     of the URL.
+  //  - If the origin chip is enabled and visible, the text will be empty.
+  //  - Otherwise, the text will contain the URL returned by GetFormattedURL().
   virtual base::string16 GetText() const = 0;
 
+  // Returns a formatted URL for display in the toolbar. The formatting
+  // includes:
+  //   - Some characters may be unescaped.
+  //   - The scheme and/or trailing slash may be dropped.
+  virtual base::string16 GetFormattedURL() const = 0;
+
   // Some search URLs bundle a special "corpus" param that we can extract and
   // display next to users' search terms in cases where we'd show the search
   // terms instead of the URL anyway.  For example, a Google image search might
   // show the corpus "Images:" plus a search string.  This is only used on
   // mobile.
   virtual base::string16 GetCorpusNameForMobile() const = 0;
 
   // Returns the URL of the current navigation entry.
   virtual GURL GetURL() const = 0;
 
@@ skipping 65 matching lines @@
 
  private:
   bool input_in_progress_;
   bool origin_chip_enabled_;
   bool url_replacement_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(ToolbarModel);
 };
 
 #endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_MODEL_H_