--- a/dom/ipc/ContentChild.cpp
+++ b/dom/ipc/ContentChild.cpp
@@ -602,19 +602,16 @@ ContentChild::Init(MessageLoop* aIOLoop,
     if (!Open(aChannel, aParentHandle, aIOLoop)) {
       return false;
     }
     sSingleton = this;
 
     // Make sure there's an nsAutoScriptBlocker on the stack when dispatching
     // urgent messages.
     GetIPCChannel()->BlockScripts();
-    // If communications with the parent have broken down, take the process
-    // down so it's not hanging around.
-    GetIPCChannel()->SetAbortOnError(true);
 
 #ifdef MOZ_X11
     // Send the parent our X socket to act as a proxy reference for our X
     // resources.
     int xSocketFd = ConnectionNumber(DefaultXDisplay());
     SendBackUpXResources(FileDescriptor(xSocketFd));
 #endif
 

--- a/ipc/glue/MessageChannel.h
+++ b/ipc/glue/MessageChannel.h
@@ -83,17 +83,17 @@ class MessageChannel : HasResultCodes
     // Force the channel to behave as if a channel error occurred. Valid
     // for process links only, not thread links.
     void CloseWithError();
 
     void CloseWithTimeout();
 
     void SetAbortOnError(bool abort)
     {
-        mAbortOnError = abort;
+        mAbortOnError = true;
     }
 
     // Misc. behavioral traits consumers can request for this channel
     enum ChannelFlags {
       REQUIRE_DEFAULT                         = 0,
       // Windows: if this channel operates on the UI thread, indicates
       // WindowsMessageLoop code should enable deferred native message
       // handling to prevent deadlocks. Should only be used for protocols