Get rid of ui_cocoa_third_party_toolkits target from ui.gyp

chrome/browser/ui/cocoa/rect_path_utils.mm

 // Copyright (c) 2013 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/rect_path_utils.h"
 
-#import "third_party/GTM/AppKit/GTMNSBezierPath+RoundRect.h"
+#import "third_party/google_toolbox_for_mac/src/AppKit/GTMNSBezierPath+RoundRect.h"
 
 namespace rect_path_utils {
 
 NSBezierPath* RectPathWithInset(RoundedCornerFlags roundedCornerFlags,
                                 const NSRect frame,
                                 const CGFloat insetX,
                                 const CGFloat insetY,
                                 const CGFloat outerRadius) {
   NSRect insetFrame = NSInsetRect(frame, insetX, insetY);
 
@@ skipping 42 matching lines @@
   const CGFloat finalInsetY = insetY + (lineWidth / 2.0);
   NSBezierPath* path =
       RectPathWithInset(roundedCornerFlags, frame, finalInsetX, finalInsetY,
                         outerRadius);
   [color setStroke];
   [path setLineWidth:lineWidth];
   [path stroke];
 }
 
 }  // namespace rect_path_utils