Bug 625060: Only plugin-container needs to walk out of plugin-container.app/Content/MacOS to find the real GRE dir. r=bent

--HG--
extra : rebase_source : a679b5caf11b507f15d952cb1979e73b125a5b0a

ipc/glue/ScopedXREEmbed.cpp

@@ -87,26 +87,30 @@ ScopedXREEmbed::Start()
   NS_ENSURE_TRUE(localFile,);
 
 #ifdef OS_MACOSX
-  rv = localFile->GetParent(getter_AddRefs(parent));
-  if (NS_FAILED(rv))
-    return;
+  if (XRE_GetProcessType() == GeckoProcessType_Content) {
+    // We're an XPCOM-using subprocess.  Walk out of
+    // [subprocess].app/Contents/MacOS to the real GRE dir.
+    rv = localFile->GetParent(getter_AddRefs(parent));
+    if (NS_FAILED(rv))
+      return;
 
-  localFile = do_QueryInterface(parent);
-  NS_ENSURE_TRUE(localFile,);
+    localFile = do_QueryInterface(parent);
+    NS_ENSURE_TRUE(localFile,);
 
-  rv = localFile->GetParent(getter_AddRefs(parent));
-  if (NS_FAILED(rv))
-    return;
+    rv = localFile->GetParent(getter_AddRefs(parent));
+    if (NS_FAILED(rv))
+      return;
 
-  localFile = do_QueryInterface(parent);
-  NS_ENSURE_TRUE(localFile,);
+    localFile = do_QueryInterface(parent);
+    NS_ENSURE_TRUE(localFile,);
 
-  rv = localFile->GetParent(getter_AddRefs(parent));
-  if (NS_FAILED(rv))
-    return;
+    rv = localFile->GetParent(getter_AddRefs(parent));
+    if (NS_FAILED(rv))
+      return;
 
-  localFile = do_QueryInterface(parent);
-  NS_ENSURE_TRUE(localFile,);
+    localFile = do_QueryInterface(parent);
+    NS_ENSURE_TRUE(localFile,);
+  }
 #endif
 
   rv = XRE_InitEmbedding2(localFile, localFile, nsnull);