Remove all the OS X 10.6 SDK forward declarations.

webkit/glue/webcursor_mac.mm

 // Copyright (c) 2012 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.
 
 #include "webkit/glue/webcursor.h"
 
 #import <AppKit/AppKit.h>
 #include <Carbon/Carbon.h>
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/memory/scoped_nsobject.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebImage.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebSize.h"
 #include "ui/gfx/mac/nsimage_cache.h"
 
 using WebKit::WebCursorInfo;
 using WebKit::WebImage;
 using WebKit::WebSize;
 
-// Declare symbols that are part of the 10.6 SDK.
-#if !defined(MAC_OS_X_VERSION_10_6) || \
-    MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
-
-@interface NSCursor (SnowLeopardSDKDeclarations)
-+ (NSCursor*)contextualMenuCursor;
-+ (NSCursor*)dragCopyCursor;
-+ (NSCursor*)operationNotAllowedCursor;
-@end
-
-#endif  // MAC_OS_X_VERSION_10_6
-
 // Declare symbols that are part of the 10.7 SDK.
 #if !defined(MAC_OS_X_VERSION_10_7) || \
     MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
 
 @interface NSCursor (LionSDKDeclarations)
 + (NSCursor*)IBeamCursorForVerticalLayout;
 @end
 
 #endif  // MAC_OS_X_VERSION_10_7
 
@@ skipping 501 matching lines @@
   return true;
 }
 
 void WebCursor::CleanupPlatformData() {
   return;
 }
 
 void WebCursor::CopyPlatformData(const WebCursor& other) {
   return;
 }