Move base to DEPS

base/ios/ns_error_util.mm

Index: base/ios/ns_error_util.mm
diff --git a/base/ios/ns_error_util.mm b/base/ios/ns_error_util.mm
deleted file mode 100644
index c44d9ee4135c469fa241907d7ed8704bbfcb611b..0000000000000000000000000000000000000000
--- a/base/ios/ns_error_util.mm
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright 2015 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.
-
-#import "base/ios/ns_error_util.h"
-
-#import <Foundation/Foundation.h>
-
-#include "base/logging.h"
-#include "base/mac/scoped_nsobject.h"
-
-namespace base {
-namespace ios {
-
-namespace {
-// Iterates through |error|'s underlying errors and returns them in an array.
-NSArray* GetFullErrorChainForError(NSError* error) {
-  NSMutableArray* error_chain = [NSMutableArray array];
-  NSError* current_error = error;
-  while (current_error) {
-    DCHECK([current_error isKindOfClass:[NSError class]]);
-    [error_chain addObject:current_error];
-    current_error = current_error.userInfo[NSUnderlyingErrorKey];
-  }
-  return error_chain;
-}
-}  // namespace
-
-NSError* GetFinalUnderlyingErrorFromError(NSError* error) {
-  DCHECK(error);
-  return [GetFullErrorChainForError(error) lastObject];
-}
-
-NSError* ErrorWithAppendedUnderlyingError(NSError* original_error,
-                                          NSError* underlying_error) {
-  DCHECK(original_error);
-  DCHECK(underlying_error);
-  NSArray* error_chain = GetFullErrorChainForError(original_error);
-  NSError* current_error = underlying_error;
-  for (NSInteger idx = error_chain.count - 1; idx >= 0; --idx) {
-    NSError* error = error_chain[idx];
-    scoped_nsobject<NSMutableDictionary> user_info(
-        [error.userInfo mutableCopy]);
-    [user_info setObject:current_error forKey:NSUnderlyingErrorKey];
-    current_error = [NSError errorWithDomain:error.domain
-                                        code:error.code
-                                    userInfo:user_info];
-  }
-  return current_error;
-}
-
-}  // namespace ios
-}  // namespace base