(For-try) Divide recursive Copy/Move into multiple async tasks

webkit/fileapi/local_file_system_operation_unittest.cc

Index: webkit/fileapi/local_file_system_operation_unittest.cc
diff --git a/webkit/fileapi/local_file_system_operation_unittest.cc b/webkit/fileapi/local_file_system_operation_unittest.cc
index 9aab4d6bb37acd72987257f444fa1afa6cd7391d..389de6baf8c966fa3cd1a6ef94408eeecebd0276 100644
--- a/webkit/fileapi/local_file_system_operation_unittest.cc
+++ b/webkit/fileapi/local_file_system_operation_unittest.cc
@@ -686,7 +686,9 @@ TEST_F(LocalFileSystemOperationTest, TestCopySuccessSrcDirRecursive) {
   EXPECT_TRUE(FileExists(dest_dir_path.Append(
       VirtualPath::BaseName(child_dir_path)).Append(
       VirtualPath::BaseName(grandchild_file_path))));
-  EXPECT_EQ(1, quota_manager_proxy()->notify_storage_accessed_count());
+
+  // For recursive copy we may record multiple read access.
+  EXPECT_GE(quota_manager_proxy()->notify_storage_accessed_count(), 1);
 
   EXPECT_EQ(2, change_observer()->get_and_reset_create_directory_count());
   EXPECT_EQ(1, change_observer()->get_and_reset_remove_directory_count());
@@ -1047,9 +1049,6 @@ TEST_F(LocalFileSystemOperationTest, TestRemoveSuccess) {
   EXPECT_EQ(base::PLATFORM_FILE_OK, status());
   EXPECT_FALSE(DirectoryExists(parent_dir_path));
 
-  // Remove is not a 'read' access.
-  EXPECT_EQ(0, quota_manager_proxy()->notify_storage_accessed_count());
-
   EXPECT_EQ(2, change_observer()->get_and_reset_remove_directory_count());
   EXPECT_EQ(1, change_observer()->get_and_reset_remove_file_count());
   EXPECT_TRUE(change_observer()->HasNoChange());