Map webkit glue when Mac build uses Skia.

webkit/glue/webcursor_mac.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.
 
 #include "webkit/glue/webcursor.h"
 
 #import <AppKit/AppKit.h>
 #include <Carbon/Carbon.h>
 
 #include "app/mac/nsimage_cache.h"
@@ skipping 316 matching lines @@
       cursor_info.hotSpot = WebKit::WebPoint(hot_spot.x, hot_spot.y);
       cursor_info.customImage = cg_image;
     } else {
       cursor_info.type = WebCursorInfo::TypePointer;
     }
   }
 
   InitFromCursorInfo(cursor_info);
 }
 
+#if !WEBKIT_USING_SKIA
 void WebCursor::SetCustomData(const WebImage& image) {
   if (image.isNull())
     return;
 
   base::mac::ScopedCFTypeRef<CGColorSpaceRef> cg_color(
       CGColorSpaceCreateDeviceRGB());
 
   const WebSize& image_dimensions = image.size();
   int image_width = image_dimensions.width;
   int image_height = image_dimensions.height;
@@ skipping 20 matching lines @@
 }
 
 void WebCursor::ImageFromCustomData(WebImage* image) const {
   if (custom_data_.empty())
     return;
 
   base::mac::ScopedCFTypeRef<CGImageRef> cg_image(
       CreateCGImageFromCustomData(custom_data_, custom_size_));
   *image = cg_image.get();
 }
+#endif
 
 void WebCursor::InitPlatformData() {
   return;
 }
 
 bool WebCursor::SerializePlatformData(Pickle* pickle) const {
   return true;
 }
 
 bool WebCursor::DeserializePlatformData(const Pickle* pickle, void** iter) {
   return true;
 }
 
 bool WebCursor::IsPlatformDataEqual(const WebCursor& other) const {
   return true;
 }
 
 void WebCursor::CleanupPlatformData() {
   return;
 }
 
 void WebCursor::CopyPlatformData(const WebCursor& other) {
   return;
 }