Alternate NTP: Don't hide bookmark bar on instant

chrome/browser/ui/cocoa/nsview_additions.h

 // Copyright (c) 2011 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_COCOA_NSVIEW_ADDITIONS_H_
 #define CHROME_BROWSER_UI_COCOA_NSVIEW_ADDITIONS_H_
 
 #import <Cocoa/Cocoa.h>
 
 @interface NSView (ChromeAdditions)
 
 // Returns the line width that will generate a 1 pixel wide line.
 - (CGFloat)cr_lineWidth;
 
 // Checks if the mouse is currently in this view.
 - (BOOL)cr_isMouseInView;
 
+// Returns YES if this view is below |otherView|.
+- (BOOL)cr_isBelowView:(NSView*)otherView;
+
+// Returns YES if this view is aobve |otherView|.
+- (BOOL)cr_isAboveView:(NSView*)otherView;
+
+// Ensures that the zorder of |subview| is correct relative to |otherView|.
+- (void)cr_ensureSubview:(NSView*)subview
+            isPositioned:(NSWindowOrderingMode)place
+              relativeTo:(NSView *)otherView;
+
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_NSVIEW_ADDITIONS_H_