Make tabOverlap dynamic depending on the number of non-mini tabs presented on...

chrome/browser/cocoa/tab_view.mm

 // Copyright (c) 2010 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/cocoa/tab_view.h"
 
 #include "base/logging.h"
 #import "base/mac_util.h"
 #include "base/nsimage_cache_mac.h"
 #include "base/scoped_cftyperef.h"
@@ skipping 78 matching lines @@
     return nil;
 
   // Sheets, being window-modal, should block contextual menus. For some reason
   // they do not. Disallow them ourselves.
   if ([[self window] attachedSheet])
     return nil;
 
   return [controller_ menu];
 }
 
+- (BOOL)isMouseIn {
+        return isMouseInside_;
+}
+
 // Overridden so that mouse clicks come to this view (the parent of the
 // hierarchy) first. We want to handle clicks and drags in this class and
 // leave the background button for display purposes only.
 - (BOOL)acceptsFirstMouse:(NSEvent*)theEvent {
   return YES;
 }
 
 - (void)mouseEntered:(NSEvent*)theEvent {
   isMouseInside_ = YES;
   [self resetLastGlowUpdateTime];
@@ skipping 933 matching lines @@
        controlPoint1:NSMakePoint(topRight.x + bottomControlPointInset,
                                  topRight.y)
        controlPoint2:NSMakePoint(bottomRight.x - baseControlPointOutset,
                                  bottomRight.y)];
   [path lineToPoint:NSMakePoint(bottomRight.x + 1, bottomRight.y)];
   [path lineToPoint:NSMakePoint(bottomRight.x + 1, bottomRight.y - 2)];
   return path;
 }
 
 @end  // @implementation TabView(Private)