Remove base/mac/scoped_nsexception_enabler.h.

printing/printing_context_mac.mm

Index: printing/printing_context_mac.mm
diff --git a/printing/printing_context_mac.mm b/printing/printing_context_mac.mm
index 8689897be4e4cac716f96e0b02b82c3c4365dd8b..36badc37d55504fbe13b7c283903007db366a195 100644
--- a/printing/printing_context_mac.mm
+++ b/printing/printing_context_mac.mm
@@ -12,7 +12,6 @@
 #include "base/logging.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
-#include "base/mac/scoped_nsexception_enabler.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ -86,11 +85,6 @@ void PrintingContextMac::AskUserForSettings(
     bool has_selection,
     bool is_scripted,
     const PrintSettingsCallback& callback) {
-  // Third-party print drivers seem to be an area prone to raising exceptions.
-  // This will allow exceptions to be raised, but does not handle them.  The
-  // NSPrintPanel appears to have appropriate NSException handlers.
-  base::mac::ScopedNSExceptionEnabler enabler;
-
   // Exceptions can also happen when the NSPrintPanel is being
   // deallocated, so it must be autoreleased within this scope.
   base::mac::ScopedNSAutoreleasePool pool;