Remove base/mac/scoped_nsexception_enabler.h.

printing/printing_context_mac.mm

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "printing/printing_context_mac.h"
 
 #import <AppKit/AppKit.h>
 
 #import <iomanip>
 #import <numeric>
 
 #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"
 #include "printing/print_settings_initializer_mac.h"
 #include "printing/units.h"
 
 namespace printing {
 
 namespace {
 
@@ skipping 53 matching lines @@
 
 PrintingContextMac::~PrintingContextMac() {
   ReleaseContext();
 }
 
 void PrintingContextMac::AskUserForSettings(
     int max_pages,
     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;
 
   DCHECK([NSThread isMainThread]);
 
   // We deliberately don't feed max_pages into the dialog, because setting
   // NSPrintLastPage makes the print dialog pre-select the option to only print
   // a range.
 
@@ skipping 415 matching lines @@
 void PrintingContextMac::ReleaseContext() {
   print_info_.reset();
   context_ = NULL;
 }
 
 gfx::NativeDrawingContext PrintingContextMac::context() const {
   return context_;
 }
 
 }  // namespace printing