Add FilePath to base namespace.

base/android/path_utils.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_ANDROID_PATH_UTILS_H_
 #define BASE_ANDROID_PATH_UTILS_H_
 
 #include <jni.h>
 
 #include "base/base_export.h"
 
+namespace base {
+
 class FilePath;
 
-namespace base {
 namespace android {
 
 // Retrieves the absolute path to the data directory of the current
 // application. The result is placed in the FilePath pointed to by 'result'.
 // This method is dedicated for base_paths_android.c, Using
 // PathService::Get(base::DIR_ANDROID_APP_DATA, ...) gets the data dir.
 BASE_EXPORT bool GetDataDirectory(FilePath* result);
 
 // Retrieves the absolute path to the cache directory. The result is placed in
 // the FilePath pointed to by 'result'. This method is dedicated for
@@ skipping 13 matching lines @@
 // Retrieves the absolute path to the external storage directory. The result
 // is placed in the FilePath pointed to by 'result'.
 BASE_EXPORT bool GetExternalStorageDirectory(FilePath* result);
 
 bool RegisterPathUtils(JNIEnv* env);
 
 }  // namespace android
 }  // namespace base
 
 #endif  // BASE_ANDROID_PATH_UTILS_H_