Remove base/mac/scoped_nsexception_enabler.h.

ui/base/clipboard/clipboard_mac.mm

 // Copyright (c) 2012 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 "ui/base/clipboard/clipboard_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
-#import "base/mac/scoped_nsexception_enabler.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/stl_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "skia/ext/skia_utils_mac.h"
 #import "third_party/mozilla/NSPasteboard+Utils.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/clipboard/custom_data_helper.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/size.h"
@@ skipping 275 matching lines @@
   return ReadData(GetRtfFormatType(), result);
 }
 
 SkBitmap ClipboardMac::ReadImage(ClipboardType type) const {
   DCHECK(CalledOnValidThread());
   DCHECK_EQ(type, CLIPBOARD_TYPE_COPY_PASTE);
 
   // If the pasteboard's image data is not to its liking, the guts of NSImage
   // may throw, and that exception will leak. Prevent a crash in that case;
   // a blank image is better.
-  base::scoped_nsobject<NSImage> image(base::mac::RunBlockIgnoringExceptions(^{
-      return [[NSImage alloc] initWithPasteboard:GetPasteboard()];
-  }));
+  base::scoped_nsobject<NSImage> image;
+  @try {
+    image.reset([[NSImage alloc] initWithPasteboard:GetPasteboard()]);
+  } @catch (id exception) {
+  }
+
   SkBitmap bitmap;
   if (image.get()) {
     bitmap = gfx::NSImageToSkBitmapWithColorSpace(
         image.get(), /*is_opaque=*/ false, base::mac::GetSystemColorSpace());
   }
   return bitmap;
 }
 
 void ClipboardMac::ReadCustomData(ClipboardType clipboard_type,
                                   const base::string16& type,
@@ skipping 125 matching lines @@
 // Write an extra flavor that signifies WebKit was the last to modify the
 // pasteboard. This flavor has no data.
 void ClipboardMac::WriteWebSmartPaste() {
   NSPasteboard* pb = GetPasteboard();
   NSString* format = GetWebKitSmartPasteFormatType().ToNSString();
   [pb addTypes:[NSArray arrayWithObject:format] owner:nil];
   [pb setData:nil forType:format];
 }
 
 }  // namespace ui