drive: Remove MD5 argument from FileCache::MarkDirty

chrome/browser/chromeos/drive/file_cache.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_FILE_CACHE_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_CACHE_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 182 matching lines @@
   // |callback| must not be null.
   // Must be called on the UI thread.
   void MarkAsUnmountedOnUIThread(const base::FilePath& file_path,
                                  const FileOperationCallback& callback);
 
   // Runs MarkDirty() on |blocking_task_runner_|, and calls |callback| with the
   // result asynchronously.
   // |callback| must not be null.
   // Must be called on the UI thread.
   void MarkDirtyOnUIThread(const std::string& resource_id,
-                           const std::string& md5,
                            const FileOperationCallback& callback);
 
   // Marks the specified entry dirty.
-  FileError MarkDirty(const std::string& resource_id,
-                      const std::string& md5);
+  FileError MarkDirty(const std::string& resource_id);
 
   // Clears dirty state of the specified entry.
   FileError ClearDirty(const std::string& resource_id,
                        const std::string& md5);
 
   // Runs Remove() on |blocking_task_runner_| and runs |callback| with the
   // result.
   // Must be called on the UI thread.
   void RemoveOnUIThread(const std::string& resource_id,
                         const FileOperationCallback& callback);
@@ skipping 87 matching lines @@
 // this value.
 //
 // Copied from cryptohome/homedirs.h.
 // TODO(satorux): Share the constant.
 const int64 kMinFreeSpace = 512 * 1LL << 20;
 
 }  // namespace internal
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_CACHE_H_