Clean up a few more unused globals.

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_toolbar_view.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_toolbar_view.h"
 
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/themes/theme_service.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_constants.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/nsview_additions.h"
 #import "chrome/browser/ui/cocoa/themed_window.h"
 #include "chrome/browser/ui/ntp_background_util.h"
 #include "chrome/browser/ui/search/search_ui.h"
 #include "grit/theme_resources.h"
 #include "skia/ext/skia_utils_mac.h"
 #import "ui/base/cocoa/nsgraphics_context_additions.h"
 #include "ui/base/theme_provider.h"
 #include "ui/gfx/canvas_skia_paint.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
 
-const CGFloat kBorderRadius = 3.0;
-
 @interface BookmarkBarToolbarView (Private)
 - (void)drawAsDetachedBubble;
 @end
 
 @implementation BookmarkBarToolbarView
 
 - (BOOL)isOpaque {
   return [controller_ isInState:BookmarkBar::DETACHED];
 }
 
@@ skipping 54 matching lines @@
   strokeColor = [[self strokeColor] blendedColorWithFraction:morph
                                                      ofColor:strokeColor];
   strokeColor = [strokeColor colorWithAlphaComponent:0.5];
   [strokeColor set];
   NSRect strokeRect = bounds;
   strokeRect.size.height = [self cr_lineWidth];
   NSRectFillUsingOperation(strokeRect, NSCompositeSourceOver);
 }
 
 @end  // @implementation BookmarkBarToolbarView