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

base/mac/mac_util.h

Index: base/mac/mac_util.h
diff --git a/base/mac/mac_util.h b/base/mac/mac_util.h
index 968756ae628be1b487a9b060e2e9d50e1ec9ae94..d75fb6e792a8fca003b43b8572e4d20f744e5f1d 100644
--- a/base/mac/mac_util.h
+++ b/base/mac/mac_util.h
@@ -8,7 +8,6 @@
 
 #include <Carbon/Carbon.h>
 #include <string>
-#include <vector>
 
 #include "base/logging.h"
 
@@ -17,10 +16,8 @@
 
 #if defined(__OBJC__)
 #import <Foundation/Foundation.h>
-@class NSWindow;
 #else  // __OBJC__
 class NSImage;
-class NSWindow;
 #endif  // __OBJC__
 
 class FilePath;
@@ -77,11 +74,6 @@ void SetCursorVisibility(bool visible);
 // Should windows miniaturize on a double-click (on the title bar)?
 bool ShouldWindowsMiniaturizeOnDoubleClick();
 
-// Pulls a snapshot of the entire browser into png_representation.
-void GrabWindowSnapshot(NSWindow* window,
-                        std::vector<unsigned char>* png_representation,
-                        int* width, int* height);
-
 // Activates the process with the given PID.
 void ActivateProcess(pid_t pid);