Add FilePath to base namespace.

webkit/fileapi/sandbox_quota_observer.h

Index: webkit/fileapi/sandbox_quota_observer.h
diff --git a/webkit/fileapi/sandbox_quota_observer.h b/webkit/fileapi/sandbox_quota_observer.h
index 4711ec007e1bb4fdad637747a634883708c71505..ea971a4179a61da78f047731d4c4e47bcdc224ea 100644
--- a/webkit/fileapi/sandbox_quota_observer.h
+++ b/webkit/fileapi/sandbox_quota_observer.h
@@ -33,7 +33,7 @@ class SandboxQuotaObserver
     : public FileUpdateObserver,
       public FileAccessObserver {
  public:
-  typedef std::map<FilePath, int64> PendingUpdateNotificationMap;
+  typedef std::map<base::FilePath, int64> PendingUpdateNotificationMap;
 
   SandboxQuotaObserver(
       quota::QuotaManagerProxy* quota_manager_proxy,
@@ -51,9 +51,9 @@ class SandboxQuotaObserver
 
  private:
   void ApplyPendingUsageUpdate();
-  void UpdateUsageCacheFile(const FilePath& usage_file_path, int64 delta);
+  void UpdateUsageCacheFile(const base::FilePath& usage_file_path, int64 delta);
 
-  FilePath GetUsageCachePath(const FileSystemURL& url);
+  base::FilePath GetUsageCachePath(const FileSystemURL& url);
 
   scoped_refptr<quota::QuotaManagerProxy> quota_manager_proxy_;
   scoped_refptr<base::SequencedTaskRunner> update_notify_runner_;