Use base namespace for FilePath in content/browser

content/browser/accessibility/dump_accessibility_tree_helper.h

 // 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.
 
 #ifndef CONTENT_BROWSER_ACCESSIBILITY_DUMP_ACCESSIBILITY_TREE_HELPER_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_DUMP_ACCESSIBILITY_TREE_HELPER_H_
 
 #include <vector>
 
 #include "base/file_path.h"
@@ skipping 32 matching lines @@
 
   // Set regular expression filters that apply to each component of every
   // line before it's output.
   void SetFilters(const std::vector<Filter>& filters);
 
   // Suffix of the expectation file corresponding to html file.
   // Example:
   // HTML test:      test-file.html
   // Expected:       test-file-expected-mac.txt.
   // Auto-generated: test-file-actual-mac.txt
-  const FilePath::StringType GetActualFileSuffix() const;
-  const FilePath::StringType GetExpectedFileSuffix() const;
+  const base::FilePath::StringType GetActualFileSuffix() const;
+  const base::FilePath::StringType GetExpectedFileSuffix() const;
 
   // A platform-specific string that indicates a given line in a file
   // is an allow-empty, allow or deny filter. Example:
   // Mac values:
   //   GetAllowEmptyString() -> "@MAC-ALLOW-EMPTY:"
   //   GetAllowString() -> "@MAC-ALLOW:"
   //   GetDenyString() -> "@MAC-DENY:"
   // Example html:
   // <!--
   // @MAC-ALLOW-EMPTY:description*
@@ skipping 24 matching lines @@
 
   std::vector<Filter> filters_;
   string16 line_;
 
   DISALLOW_COPY_AND_ASSIGN(DumpAccessibilityTreeHelper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_DUMP_ACCESSIBILITY_TREE_HELPER_H_