Simplify directory path accounting.

webkit/fileapi/file_system_quota_util.h

Index: webkit/fileapi/file_system_quota_util.h
diff --git a/webkit/fileapi/file_system_quota_util.h b/webkit/fileapi/file_system_quota_util.h
index c7b70df05e22e17788a8f82c09433d14320eac20..40b8aad9839fa45ba193ba6543c63bb669c88f71 100644
--- a/webkit/fileapi/file_system_quota_util.h
+++ b/webkit/fileapi/file_system_quota_util.h
@@ -69,7 +69,6 @@ class FileSystemQuotaUtil {
                                            fileapi::FileSystemType type) = 0;
 
   // Called by quota file util.
-  // Returns the amount of data used for the origin for usage tracking.
   virtual void UpdateOriginUsageOnFileThread(quota::QuotaManagerProxy* proxy,
                                              const GURL& origin_url,
                                              fileapi::FileSystemType type,
@@ -83,12 +82,12 @@ class FileSystemQuotaUtil {
       fileapi::FileSystemType type) = 0;
 
   // Called by quota_file_util or file_writer_delegate.
-  // Called before an write operation modifies the origin's storage data.
+  // Called before a write operation modifies the origin's storage data.
   virtual void StartUpdateOriginOnFileThread(const GURL& origin_url,
                                              fileapi::FileSystemType type) = 0;
 
   // Called by quota_file_util or file_writer_delegate.
-  // Called after an write operation modifies the origin's storage data.
+  // Called after a write operation modifies the origin's storage data.
   virtual void EndUpdateOriginOnFileThread(const GURL& origin_url,
                                            fileapi::FileSystemType type) = 0;