Remove app/win/win_util.h,cc etc.

chrome/browser/ui/cocoa/browser_window_cocoa.mm

Index: chrome/browser/ui/cocoa/browser_window_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_cocoa.mm b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
index 362e85208d5a19716dbb1a01f03d87a15b18532a..e5f813ebac2a9e95c5a906e817bdf01f66006259 100644
--- a/chrome/browser/ui/cocoa/browser_window_cocoa.mm
+++ b/chrome/browser/ui/cocoa/browser_window_cocoa.mm
@@ -7,7 +7,6 @@
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
-#include "base/mac/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/bookmarks/bookmark_utils.h"
@@ -600,13 +599,6 @@ gfx::Rect BrowserWindowCocoa::GetInstantBounds() {
   return bounds;
 }
 
-gfx::Rect BrowserWindowCocoa::GrabWindowSnapshot(std::vector<unsigned char>*
-                                                 png_representation) {
-  int width = 0, height = 0;
-  base::mac::GrabWindowSnapshot(window(), png_representation, &width, &height);
-  return gfx::Rect(width, height);
-}
-
 void BrowserWindowCocoa::Observe(NotificationType type,
                                  const NotificationSource& source,
                                  const NotificationDetails& details) {