drive: Remove MD5 argument from FileCache::MarkDirty

chrome/browser/chromeos/drive/sync_client_unittest.cc

 // 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.
 
 #include "chrome/browser/chromeos/drive/sync_client.h"
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 160 matching lines @@
                             temp_file, FileCache::FILE_OPERATION_COPY));
     EXPECT_EQ(FILE_ERROR_OK, cache_->Pin(resource_ids_["fetched"]));
 
     // Prepare a pinned-and-fetched-and-dirty file.
     const std::string md5_dirty = "";  // Don't care.
     ASSERT_NO_FATAL_FAILURE(AddFileEntry("dirty"));
     EXPECT_EQ(FILE_ERROR_OK,
               cache_->Store(resource_ids_["dirty"], md5_dirty,
                             temp_file, FileCache::FILE_OPERATION_COPY));
     EXPECT_EQ(FILE_ERROR_OK, cache_->Pin(resource_ids_["dirty"]));
-    EXPECT_EQ(FILE_ERROR_OK,
-              cache_->MarkDirty(resource_ids_["dirty"], md5_dirty));
+    EXPECT_EQ(FILE_ERROR_OK, cache_->MarkDirty(resource_ids_["dirty"]));
 
     // Load data from the service to the metadata.
     FileError error = FILE_ERROR_FAILED;
     internal::ChangeListLoader change_list_loader(
         base::MessageLoopProxy::current().get(),
         metadata_.get(),
         scheduler_.get());
     change_list_loader.LoadIfNeeded(
         DirectoryFetchInfo(),
         google_apis::test_util::CreateCopyResultCallback(&error));
@@ skipping 150 matching lines @@
   EXPECT_TRUE(cache_->GetCacheEntry(resource_ids_["foo"], std::string(),
                                     &cache_entry));
   EXPECT_TRUE(cache_entry.is_present());
   EXPECT_TRUE(cache_->GetCacheEntry(resource_ids_["dirty"], std::string(),
                                     &cache_entry));
   EXPECT_FALSE(cache_entry.is_dirty());
 }
 
 }  // namespace internal
 }  // namespace drive