Add FilePath to base namespace.

base/path_service.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 BASE_PATH_SERVICE_H_
 #define BASE_PATH_SERVICE_H_
 
 #include <string>
 
 #include "base/base_export.h"
 #include "base/base_paths.h"
 #include "base/gtest_prod_util.h"
 #include "build/build_config.h"
 
+namespace base {
 class FilePath;
-
-namespace base {
 class ScopedPathOverride;
 }  // namespace
 
 // The path service is a global table mapping keys to file system paths.  It is
 // OK to use this service from multiple threads.
 //
 class BASE_EXPORT PathService {
  public:
   // Retrieves a path to a special directory or file and places it into the
   // string pointed to by 'path'. If you ask for a directory it is guaranteed
   // to NOT have a path separator at the end. For example, "c:\windows\temp"
   // Directories are also guaranteed to exist when this function succeeds.
   //
   // Returns true if the directory or file was successfully retrieved. On
   // failure, 'path' will not be changed.
-  static bool Get(int key, FilePath* path);
+  static bool Get(int key, base::FilePath* path);
 
   // Overrides the path to a special directory or file.  This cannot be used to
   // change the value of DIR_CURRENT, but that should be obvious.  Also, if the
   // path specifies a directory that does not exist, the directory will be
   // created by this method.  This method returns true if successful.
   //
   // If the given path is relative, then it will be resolved against
   // DIR_CURRENT.
   //
   // WARNING: Consumers of PathService::Get may expect paths to be constant
   // over the lifetime of the app, so this method should be used with caution.
-  static bool Override(int key, const FilePath& path);
+  static bool Override(int key, const base::FilePath& path);
 
   // This function does the same as PathService::Override but it takes an extra
   // parameter |create| which guides whether the directory to be overriden must
   // be created in case it doesn't exist already.
   static bool OverrideAndCreateIfNeeded(int key,
-                                        const FilePath& path,
+                                        const base::FilePath& path,
                                         bool create);
 
   // To extend the set of supported keys, you can register a path provider,
   // which is just a function mirroring PathService::Get.  The ProviderFunc
   // returns false if it cannot provide a non-empty path for the given key.
   // Otherwise, true is returned.
   //
   // WARNING: This function could be called on any thread from which the
   // PathService is used, so a the ProviderFunc MUST BE THREADSAFE.
   //
-  typedef bool (*ProviderFunc)(int, FilePath*);
+  typedef bool (*ProviderFunc)(int, base::FilePath*);
 
   // Call to register a path provider.  You must specify the range "[key_start,
   // key_end)" of supported path keys.
   static void RegisterProvider(ProviderFunc provider,
                                int key_start,
                                int key_end);
 
   // Disable internal cache.
   static void DisableCache();
 
  private:
   friend class base::ScopedPathOverride;
   FRIEND_TEST_ALL_PREFIXES(PathServiceTest, RemoveOverride);
 
   // Removes an override for a special directory or file. Returns true if there
   // was an override to remove or false if none was present.
   // NOTE: This function is intended to be used by tests only!
   static bool RemoveOverride(int key);
 };
 
 #endif  // BASE_PATH_SERVICE_H_