Removes our homespun grow box and replaces it with the...

chrome/browser/cocoa/tab_strip_controller.h

Index: chrome/browser/cocoa/tab_strip_controller.h
===================================================================
--- chrome/browser/cocoa/tab_strip_controller.h	(revision 19396)
+++ chrome/browser/cocoa/tab_strip_controller.h	(working copy)
@@ -54,7 +54,7 @@
   CGFloat placeholderStretchiness_; // Vertical force shown by streching tab.
   // Frame targets for all the current views.
   // target frames are used because repeated requests to [NSView animator].
-  // aren't coalesced, so we store frames to avoid redundant calls.  
+  // aren't coalesced, so we store frames to avoid redundant calls.
   scoped_nsobject<NSMutableDictionary> targetFrames_;
   NSRect newTabTargetFrame_;
 }
@@ -68,10 +68,6 @@
         switchView:(NSView*)switchView
              model:(TabStripModel*)model;
 
-// Return the rect, in WebKit coordinates (flipped), of the window's grow box
-// in the coordinate system of the content area of the currently selected tab.
-- (NSRect)selectedTabGrowBoxRect;
-
 // Return the view for the currently selected tab.
 - (NSView *)selectedTabView;