Index: chrome/browser/browser_main.cc |
diff --git a/chrome/browser/browser_main.cc b/chrome/browser/browser_main.cc |
index 904c73b69490ed9d982efae6cc21a13d0f97488b..1eb69ddfa9f07b0b7f8c52d251b86a631b9406ae 100644 |
--- a/chrome/browser/browser_main.cc |
+++ b/chrome/browser/browser_main.cc |
@@ -483,7 +483,7 @@ void HandleTestParameters(const CommandLine& command_line) { |
void RunUIMessageLoop(BrowserProcess* browser_process) { |
TRACE_EVENT_BEGIN("BrowserMain:MESSAGE_LOOP", 0, ""); |
-#if defined(OS_LINUX) |
+#if defined(OS_LINUX) || defined(OS_MACOSX) |
// If the UI thread blocks, the whole UI is unresponsive. |
// Do not allow disk IO from the UI thread. |
// TODO(evanm): turn this on for all platforms. |