Zoom Extension API

chrome/browser/ui/tabs/tab_strip_model.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_TABS_TAB_STRIP_MODEL_H_
 #define CHROME_BROWSER_UI_TABS_TAB_STRIP_MODEL_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 351 matching lines @@
   // Makes sure the tabs from the anchor to |index| are selected. This only
   // adds to the selection.
   void AddSelectionFromAnchorTo(int index);
 
   // Returns true if the tab at |index| is selected.
   bool IsTabSelected(int index) const;
 
   // Sets the selection to match that of |source|.
   void SetSelectionFromModel(const ui::ListSelectionModel& source);
 
+  // Notifies observers that a WebContents is zooming.
+  void WebContentsZoomChange(content::WebContents* contents,
+                             double old_zoom_level,
+                             double new_zoom_level,
+                             content::ZoomMode zoom_mode);
+
   const ui::ListSelectionModel& selection_model() const {
     return selection_model_;
   }
 
   // Command level API /////////////////////////////////////////////////////////
 
   // Adds a WebContents at the best position in the TabStripModel given
   // the specified insertion index, transition, etc. |add_types| is a bitmask of
   // AddTabTypes; see it for details. This method ends up calling into
   // InsertWebContentsAt to do the actual insertion. Pass kNoTab for |index| to
@@ skipping 191 matching lines @@
 
   ui::ListSelectionModel selection_model_;
 
   // TODO(sky): remove this; used for debugging 291265.
   bool in_notify_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(TabStripModel);
 };
 
 #endif  // CHROME_BROWSER_UI_TABS_TAB_STRIP_MODEL_H_