Move PathExists to base namespace.

chrome/browser/extensions/convert_web_app_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.
 
 #include "chrome/browser/extensions/convert_web_app.h"
 
 #include <string>
 #include <vector>
 
 #include "base/file_util.h"
@@ skipping 132 matching lines @@
             IconsInfo::GetIcons(extension.get()).map().size());
   for (size_t i = 0; i < web_app.icons.size(); ++i) {
     EXPECT_EQ(base::StringPrintf("icons/%i.png", web_app.icons[i].width),
               IconsInfo::GetIcons(extension.get()).Get(
                   web_app.icons[i].width, ExtensionIconSet::MATCH_EXACTLY));
     ExtensionResource resource =
         IconsInfo::GetIconResource(extension.get(),
                                    web_app.icons[i].width,
                                    ExtensionIconSet::MATCH_EXACTLY);
     ASSERT_TRUE(!resource.empty());
-    EXPECT_TRUE(file_util::PathExists(resource.GetFilePath()));
+    EXPECT_TRUE(base::PathExists(resource.GetFilePath()));
   }
 }
 
 TEST(ExtensionFromWebApp, Minimal) {
   base::ScopedTempDir extensions_dir;
   ASSERT_TRUE(extensions_dir.CreateUniqueTempDir());
 
   WebApplicationInfo web_app;
   web_app.manifest_url = GURL("http://aaronboodman.com/gearpad/manifest.json");
   web_app.title = ASCIIToUTF16("Gearpad");
@@ skipping 19 matching lines @@
   EXPECT_EQ("", extension->description());
   EXPECT_EQ(web_app.app_url, AppLaunchInfo::GetFullLaunchURL(extension.get()));
   EXPECT_EQ(0u, IconsInfo::GetIcons(extension.get()).map().size());
   EXPECT_EQ(0u, extension->GetActivePermissions()->apis().size());
   ASSERT_EQ(1u, extension->web_extent().patterns().size());
   EXPECT_EQ("*://aaronboodman.com/*",
             extension->web_extent().patterns().begin()->GetAsString());
 }
 
 }  // namespace extensions