Move temp file 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 163 matching lines @@
       for (int x = 0; x < x_max && !snapshot_different_; ++x) {
         if (pixels[y * stride / sizeof(int32) + x + snapshot_x_offset] !=
             ref_pixels[y * w + x + ref_x_offset])
           snapshot_different_ = true;
       }
     }
 
     if (snapshot_different_) {
       std::vector<unsigned char> png_data;
       gfx::PNGCodec::EncodeBGRASkBitmap(bitmap, false, &png_data);
-      if (file_util::CreateTemporaryFile(&snapshot_filename_)) {
+      if (base::CreateTemporaryFile(&snapshot_filename_)) {
         file_util::WriteFile(snapshot_filename_,
             reinterpret_cast<char*>(&png_data[0]), png_data.size());
       }
     }
   }
 
   // content::NotificationObserver
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) {
@@ skipping 222 matching lines @@
       browser()->tab_strip_model()->GetActiveWebContents(),
       "reloadPDF();"));
   observer.Wait();
 
   ASSERT_EQ("success",
             browser()->tab_strip_model()->GetActiveWebContents()->
                 GetURL().query());
 }
 
 }  // namespace