Relanding this as the previous attempt failed due to build errors.

webkit/glue/webcursor.h

 // 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.
 
 #ifndef WEBKIT_GLUE_WEBCURSOR_H_
 #define WEBKIT_GLUE_WEBCURSOR_H_
 
 #include "base/basictypes.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/size.h"
-#include "webkit/glue/webkit_glue_export.h"
 
 #include <vector>
 
 #if defined(OS_WIN)
 typedef struct HINSTANCE__* HINSTANCE;
 typedef struct HICON__* HICON;
 typedef HICON HCURSOR;
 #elif defined(TOOLKIT_GTK)
 typedef struct _GdkCursor GdkCursor;
 #elif defined(OS_MACOSX)
 #ifdef __OBJC__
 @class NSCursor;
 #else
 class NSCursor;
 #endif
 #endif
 
 class Pickle;
 class PickleIterator;
 
 namespace WebKit {
 class WebImage;
 struct WebCursorInfo;
 }
 
 // This class encapsulates a cross-platform description of a cursor.  Platform
 // specific methods are provided to translate the cross-platform cursor into a
 // platform specific cursor.  It is also possible to serialize / de-serialize a
 // WebCursor.
-class WEBKIT_GLUE_EXPORT WebCursor {
+class WebCursor {
  public:
   WebCursor();
   explicit WebCursor(const WebKit::WebCursorInfo& cursor_info);
   ~WebCursor();
 
   // Copy constructor/assignment operator combine.
   WebCursor(const WebCursor& other);
   const WebCursor& operator=(const WebCursor& other);
 
   // Conversion from/to WebCursorInfo.
@@ skipping 103 matching lines @@
 #elif defined(OS_WIN)
   // A custom cursor created from custom bitmap data by Webkit.
   HCURSOR custom_cursor_;
 #elif defined(TOOLKIT_GTK)
   // A custom cursor created that should be unref'ed from the destructor.
   GdkCursor* unref_;
 #endif
 };
 
 #endif  // WEBKIT_GLUE_WEBCURSOR_H_