Replace FilePath with base::FilePath in some more top level directories.

rlz/chromeos/lib/rlz_value_store_chromeos.h

Index: rlz/chromeos/lib/rlz_value_store_chromeos.h
diff --git a/rlz/chromeos/lib/rlz_value_store_chromeos.h b/rlz/chromeos/lib/rlz_value_store_chromeos.h
index 476041894e97a38c818cd80da7e3a7d8972862c0..e150c3cdea1ebed759580601e9ac2859fb72bfe0 100644
--- a/rlz/chromeos/lib/rlz_value_store_chromeos.h
+++ b/rlz/chromeos/lib/rlz_value_store_chromeos.h
@@ -27,7 +27,7 @@ class RlzValueStoreChromeOS : public RlzValueStore,
   // static void SetFileTaskRunner(base::SequencedTaskRunner* file_task_runner);
 
   // Creates new instance and synchronously reads data from file.
-  RlzValueStoreChromeOS(const FilePath& store_path);
+  RlzValueStoreChromeOS(const base::FilePath& store_path);
   virtual ~RlzValueStoreChromeOS();
 
   // RlzValueStore overrides:
@@ -74,7 +74,7 @@ class RlzValueStoreChromeOS : public RlzValueStore,
   // In-memory store with RLZ data.
   scoped_ptr<base::DictionaryValue> rlz_store_;
 
-  FilePath store_path_;
+  base::FilePath store_path_;
 
   bool read_only_;