Move PathExists to base namespace.

media/ffmpeg/ffmpeg_unittest.cc

 // 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.
 
 // ffmpeg_unittests verify that the parts of the FFmpeg API that Chromium uses
 // function as advertised for each media format that Chromium supports.  This
 // mostly includes stuff like reporting proper timestamps, seeking to
 // keyframes, and supporting certain features like reordered_opaque.
 //
 
@@ skipping 94 matching lines @@
   }
 
   void OpenFile(const std::string& name) {
     base::FilePath path;
     PathService::Get(base::DIR_SOURCE_ROOT, &path);
     path = path.AppendASCII("media")
         .AppendASCII("test")
         .AppendASCII("data")
         .AppendASCII("content")
         .AppendASCII(name.c_str());
-    EXPECT_TRUE(file_util::PathExists(path));
+    EXPECT_TRUE(base::PathExists(path));
 
     CHECK(file_data_.Initialize(path));
     protocol_.reset(new InMemoryUrlProtocol(
         file_data_.data(), file_data_.length(), false));
     glue_.reset(new FFmpegGlue(protocol_.get()));
 
     ASSERT_TRUE(glue_->OpenContext()) << "Could not open " << path.value();
     av_format_context_ = glue_->format_context();
     ASSERT_LE(0, avformat_find_stream_info(av_format_context_, NULL))
         << "Could not find stream information for " << path.value();
@@ skipping 454 matching lines @@
   EXPECT_TRUE(StepDecodeVideo());
   VLOG(1) << decoded_video_time();
 
   SeekTo(0.4);
   ReadRemainingFile();
   EXPECT_TRUE(StepDecodeVideo());
   VLOG(1) << decoded_video_time();
 }
 
 }  // namespace media