Bug 634616 - Fix build bustage when --disable-ipc. r=romaxa a=NPOTB

content/base/src/nsDocument.cpp

@@ -8216,10 +8216,12 @@ PLDHashOperator UnlockEnumerator(imgIRequest* aKey,
 nsresult
 nsDocument::SetImageLockingState(PRBool aLocked)
 {
+#ifdef MOZ_IPC
   if (XRE_GetProcessType() == GeckoProcessType_Content &&
       !nsContentUtils::GetBoolPref("content.image.allow_locking", PR_TRUE)) {
     return NS_OK;
   }
+#endif // MOZ_IPC
 
   // If there's no change, there's nothing to do.
   if (mLockingImages == aLocked)