PPB_CursorControl_Dev.SetCursor: Add support for custom cursor.

webkit/plugins/ppapi/ppapi_plugin_instance.h

Index: webkit/plugins/ppapi/ppapi_plugin_instance.h
diff --git a/webkit/plugins/ppapi/ppapi_plugin_instance.h b/webkit/plugins/ppapi/ppapi_plugin_instance.h
index b847c362d47bca2400b4b2a98e34b2688dd6688a..40d01baa1adbb5b066555f82668e022ecc69b6bc 100644
--- a/webkit/plugins/ppapi/ppapi_plugin_instance.h
+++ b/webkit/plugins/ppapi/ppapi_plugin_instance.h
@@ -130,7 +130,11 @@ class PluginInstance : public base::RefCounted<PluginInstance> {
   PP_Var GetOwnerElementObject();
   bool BindGraphics(PP_Resource graphics_id);
   bool full_frame() const { return full_frame_; }
-  bool SetCursor(PP_CursorType_Dev type);
+  // If |type| is not PP_CURSORTYPE_CUSTOM, |custom_image| and |hot_spot| are
+  // ignored.
+  bool SetCursor(PP_CursorType_Dev type,
+                 PP_Resource custom_image,
+                 const PP_Point* hot_spot);
   PP_Var ExecuteScript(PP_Var script, PP_Var* exception);
 
   // PPP_Instance pass-through.