Move base to DEPS

base/native_library_ios.mm

-// Copyright (c) 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.
-
-#include "base/native_library.h"
-
-#include "base/logging.h"
-
-namespace base {
-
-std::string NativeLibraryLoadError::ToString() const {
-  return message;
-}
-
-// static
-NativeLibrary LoadNativeLibrary(const base::FilePath& library_path,
-                                NativeLibraryLoadError* error) {
-  NOTIMPLEMENTED();
-  return nullptr;
-}
-
-// static
-void UnloadNativeLibrary(NativeLibrary library) {
-  NOTIMPLEMENTED();
-  DCHECK(!library);
-}
-
-// static
-void* GetFunctionPointerFromNativeLibrary(NativeLibrary library,
-                                          const char* name) {
-  NOTIMPLEMENTED();
-  return nullptr;
-}
-
-// static
-string16 GetNativeLibraryName(const string16& name) {
-  return name;
-}
-
-}  // namespace base