mac: Remove nav.pdf in favor of IDR_DEFAULT_FAVICON.

content/browser/web_contents/web_drag_source_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.
 
 #import "content/browser/web_contents/web_drag_source_mac.h"
 
 #include <sys/param.h>
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/pickle.h"
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/download/drag_download_file.h"
 #include "content/browser/download/drag_download_util.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/url_constants.h"
+#include "grit/ui_resources_standard.h"
 #include "net/base/escape.h"
 #include "net/base/file_stream.h"
 #include "net/base/net_util.h"
 #include "ui/base/clipboard/custom_data_helper.h"
 #include "ui/base/dragdrop/cocoa_dnd_util.h"
+#include "ui/gfx/image/image.h"
 #include "ui/gfx/mac/nsimage_cache.h"
 #include "webkit/glue/webdropdata.h"
 
 using base::SysNSStringToUTF8;
 using base::SysUTF8ToNSString;
 using base::SysUTF16ToNSString;
 using content::BrowserThread;
 using content::RenderViewHostImpl;
 using net::FileStream;
 
@@ skipping 408 matching lines @@
         addTypes:[NSArray arrayWithObject:ui::kWebCustomDataPboardType]
            owner:contentsView_];
   }
 }
 
 - (NSImage*)dragImage {
   if (dragImage_)
     return dragImage_;
 
   // Default to returning a generic image.
-  return gfx::GetCachedImageWithName(@"nav.pdf");
+  return content::GetContentClient()->GetNativeImageNamed(IDR_DEFAULT_FAVICON);
 }
 
 @end  // @implementation WebDragSource (Private)