Move PathExists to base namespace.

chrome/browser/content_settings/content_settings_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/command_line.h"
 #include "base/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
@@ skipping 478 matching lines @@
     const char kLibraryName[] = "clearkeycdmadapter.plugin";
 #elif defined(OS_POSIX)
     const char kLibraryName[] = "libclearkeycdmadapter.so";
 #endif  // defined(OS_MACOSX)
 #endif  // defined(OS_WIN)
 
     // Append the switch to register the External Clear Key CDM.
     base::FilePath plugin_dir;
     EXPECT_TRUE(PathService::Get(base::DIR_MODULE, &plugin_dir));
     base::FilePath plugin_lib = plugin_dir.AppendASCII(kLibraryName);
-    EXPECT_TRUE(file_util::PathExists(plugin_lib));
+    EXPECT_TRUE(base::PathExists(plugin_lib));
     base::FilePath::StringType pepper_plugin = plugin_lib.value();
     pepper_plugin.append(FILE_PATH_LITERAL(
         "#Clear Key CDM#Clear Key CDM 0.1.0.0#0.1.0.0;"));
     pepper_plugin.append(external_clear_key_mime_type);
     command_line->AppendSwitchNative(switches::kRegisterPepperPlugins,
                                      pepper_plugin);
 #endif  // defined(ENABLE_PEPPER_CDMS)
 
 #if !defined(DISABLE_NACL)
     // Ensure NaCl can run.
@@ skipping 94 matching lines @@
   RunJavaScriptBlockedTest("load_widevine_no_js.html", true);
 #endif  // defined(WIDEVINE_CDM_AVAILABLE)
 #endif  // defined(ENABLE_PEPPER_CDMS)
 
 #if !defined(DISABLE_NACL)
   RunJavaScriptBlockedTest("load_nacl_no_js.html", true);
 #endif  // !defined(DISABLE_NACL)
 }
 
 #endif  // defined(ENABLE_PLUGINS)