Move WriteFile and WriteFileDescriptor from file_util to base namespace.

ui/gfx/ozone/impl/file_surface_factory.cc

 // Copyright 2013 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/gfx/ozone/impl/file_surface_factory.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/location.h"
 #include "base/stl_util.h"
 #include "base/threading/worker_pool.h"
 #include "third_party/skia/include/core/SkBitmapDevice.h"
 #include "third_party/skia/include/core/SkDevice.h"
 #include "ui/gfx/codec/png_codec.h"
 #include "ui/gfx/vsync_provider.h"
 
 namespace {
 
 void WriteDataToFile(const base::FilePath& location,
                      const SkBitmap& bitmap) {
   std::vector<unsigned char> png_data;
   gfx::PNGCodec::FastEncodeBGRASkBitmap(bitmap, true, &png_data);
-  file_util::WriteFile(location,
-                       (char*)vector_as_array(&png_data),
-                       png_data.size());
+  base::WriteFile(location,
+                  static_cast<const char*>(vector_as_array(&png_data)),
+                  png_data.size());
 }
 
 }
 
 namespace gfx {
 
 FileSurfaceFactory::FileSurfaceFactory(
     const base::FilePath& dump_location)
     : location_(dump_location) {
   CHECK(!base::DirectoryExists(location_))
@@ skipping 53 matching lines @@
 SkCanvas* FileSurfaceFactory::GetCanvasForWidget(AcceleratedWidget w) {
   return canvas_.get();
 }
 
 scoped_ptr<VSyncProvider> FileSurfaceFactory::CreateVSyncProvider(
     AcceleratedWidget w) {
   return scoped_ptr<VSyncProvider>();
 }
 
 }  // namespace gfx