diff --git a/mozilla/content/macbuild/contentIDL.xml b/mozilla/content/macbuild/contentIDL.xml
index 822708424cb..667a83dad9c 100644
--- a/mozilla/content/macbuild/contentIDL.xml
+++ b/mozilla/content/macbuild/contentIDL.xml
@@ -757,6 +757,13 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
+                <FILE>
+                    <PATHTYPE>Name</PATHTYPE>
+                    <PATH>nsISelectionDisplay.idl</PATH>
+                    <PATHFORMAT>MacOS</PATHFORMAT>
+                    <FILEKIND>Text</FILEKIND>
+                    <FILEFLAGS></FILEFLAGS>
+                </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsIContentPolicy.idl</PATH>
@@ -855,6 +862,11 @@
                     <PATH>nsISelectionController.idl</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
+                <FILEREF>
+                    <PATHTYPE>Name</PATHTYPE>
+                    <PATH>nsISelectionDisplay.idl</PATH>
+                    <PATHFORMAT>MacOS</PATHFORMAT>
+                </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsIContentPolicy.idl</PATH>
@@ -1626,6 +1638,13 @@
                     <FILEKIND>Text</FILEKIND>
                     <FILEFLAGS></FILEFLAGS>
                 </FILE>
+                <FILE>
+                    <PATHTYPE>Name</PATHTYPE>
+                    <PATH>nsISelectionDisplay.idl</PATH>
+                    <PATHFORMAT>MacOS</PATHFORMAT>
+                    <FILEKIND>Text</FILEKIND>
+                    <FILEFLAGS></FILEFLAGS>
+                </FILE>
                 <FILE>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsIContentPolicy.idl</PATH>
@@ -1724,6 +1743,11 @@
                     <PATH>nsISelectionController.idl</PATH>
                     <PATHFORMAT>MacOS</PATHFORMAT>
                 </FILEREF>
+                <FILEREF>
+                    <PATHTYPE>Name</PATHTYPE>
+                    <PATH>nsISelectionDisplay.idl</PATH>
+                    <PATHFORMAT>MacOS</PATHFORMAT>
+                </FILEREF>
                 <FILEREF>
                     <PATHTYPE>Name</PATHTYPE>
                     <PATH>nsIContentPolicy.idl</PATH>
@@ -1811,6 +1835,12 @@
             <PATH>nsISelectionController.idl</PATH>
             <PATHFORMAT>MacOS</PATHFORMAT>
         </FILEREF>
+        <FILEREF>
+            <TARGETNAME>headers</TARGETNAME>
+            <PATHTYPE>Name</PATHTYPE>
+            <PATH>nsISelectionDisplay.idl</PATH>
+            <PATHFORMAT>MacOS</PATHFORMAT>
+        </FILEREF>
         <FILEREF>
             <TARGETNAME>headers</TARGETNAME>
             <PATHTYPE>Name</PATHTYPE>