Move more file_util functions to base namespace.

chrome/browser/ui/pdf/pdf_browsertest.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.
 
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/hash.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 115 matching lines @@
                                        const SkBitmap& bitmap) {
     base::MessageLoopForUI::current()->Quit();
     ASSERT_EQ(success, true);
     base::FilePath reference = ui_test_utils::GetTestFilePath(
         GetPDFTestDir(),
         base::FilePath().AppendASCII(expected_filename_));
     base::PlatformFileInfo info;
     ASSERT_TRUE(base::GetFileInfo(reference, &info));
     int size = static_cast<size_t>(info.size);
     scoped_ptr<char[]> data(new char[size]);
-    ASSERT_EQ(size, file_util::ReadFile(reference, data.get(), size));
+    ASSERT_EQ(size, base::ReadFile(reference, data.get(), size));
 
     int w, h;
     std::vector<unsigned char> decoded;
     ASSERT_TRUE(gfx::PNGCodec::Decode(
         reinterpret_cast<unsigned char*>(data.get()), size,
         gfx::PNGCodec::FORMAT_BGRA, &decoded, &w, &h));
     int32* ref_pixels = reinterpret_cast<int32*>(&decoded[0]);
 
     int32* pixels = static_cast<int32*>(bitmap.getPixels());
 
@@ skipping 270 matching lines @@
       browser()->tab_strip_model()->GetActiveWebContents(),
       "reloadPDF();"));
   observer.Wait();
 
   ASSERT_EQ("success",
             browser()->tab_strip_model()->GetActiveWebContents()->
                 GetURL().query());
 }
 
 }  // namespace