Revert r42156, r42157, r42160. Allow dynamic switching in and out of sidetabs...

chrome/browser/views/tabs/side_tab_strip_model.h

Index: chrome/browser/views/tabs/side_tab_strip_model.h
===================================================================
--- chrome/browser/views/tabs/side_tab_strip_model.h	(revision 42174)
+++ chrome/browser/views/tabs/side_tab_strip_model.h	(working copy)
@@ -7,17 +7,12 @@
 
 #include "base/string16.h"
 
-namespace gfx {
-class Point;
-}
 class SkBitmap;
 
 // A model interface implemented by an object that can provide information
 // about SideTabs in a SideTabStrip.
 class SideTabStripModel {
  public:
-  virtual ~SideTabStripModel() {}
-
   // Returns metadata about the tab at the specified index.
   virtual SkBitmap GetIcon(int index) const = 0;
   virtual string16 GetTitle(int index) const = 0;
@@ -40,10 +35,6 @@
 
   // Closes the tab at the specified index in the model.
   virtual void CloseTab(int index) = 0;
-
-  // Shows a context menu for the tab at the specified index at the specified
-  // point in screen coords.
-  virtual void ShowContextMenu(int index, const gfx::Point& p) = 0;
 };
 
 #endif  // CHROME_BROWSER_VIEWS_TABS_SIDE_TAB_STRIP_MODEL_H_