Add exports needed for glue to build as a component.

webkit/glue/webcursor.h

Index: webkit/glue/webcursor.h
diff --git a/webkit/glue/webcursor.h b/webkit/glue/webcursor.h
index 9439a15ccdef1060d98beb7ca0411e441aa7aadc..78c63878f013500d5e02c05d9d259994574d2eb8 100644
--- a/webkit/glue/webcursor.h
+++ b/webkit/glue/webcursor.h
@@ -9,6 +9,7 @@
 #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>
 
@@ -39,7 +40,7 @@ struct WebCursorInfo;
 // 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 WebCursor {
+class WEBKIT_GLUE_EXPORT WebCursor {
  public:
   WebCursor();
   explicit WebCursor(const WebKit::WebCursorInfo& cursor_info);