size --> cellSize adjustment

chrome/browser/cocoa/bookmark_bar_folder_window.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/bookmark_bar_folder_window.h"
 
+#import "base/logging.h"
 #import "base/scoped_nsobject.h"
+#import "chrome/browser/cocoa/bookmark_bar_folder_controller.h"
 #import "third_party/GTM/AppKit/GTMNSColor+Luminance.h"
 #import "third_party/GTM/AppKit/GTMNSBezierPath+RoundRect.h"
 
 
 @implementation BookmarkBarFolderWindow
 
 - (id)initWithContentRect:(NSRect)contentRect
                 styleMask:(NSUInteger)windowStyle
                   backing:(NSBackingStoreType)bufferingType
                     defer:(BOOL)deferCreation {
@@ skipping 47 matching lines @@
   scoped_nsobject<NSGradient> gradient(
     [[NSGradient alloc] initWithColorsAndLocations:startColor, 0.0,
                         midColor, 0.25,
                         endColor, 0.5,
                         glowColor, 0.75,
                         nil]);
   [gradient drawInBezierPath:bezier angle:0.0];
 }
 
 @end
+
+
+@implementation BookmarkBarFolderWindowScrollView
+
+// We want "draw background" of the NSScrollView in the xib to be NOT
+// checked.  That allows us to round the bottom corners of the folder
+// window.  However that also allows some scrollWheel: events to leak
+// into the NSWindow behind it (even in a different application).
+// Better to plug the scroll leak than to round corners for M5.
+- (void)scrollWheel:(NSEvent *)theEvent {
+  DCHECK([[[self window] windowController]
+           respondsToSelector:@selector(scrollWheel:)]);
+  [[[self window] windowController] scrollWheel:theEvent];
+}
+
+
+@end