drive: Stop checking free disk space in ResourceMetadata::Initialize

chrome/browser/chromeos/drive/resource_metadata.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_RESOURCE_METADATA_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_RESOURCE_METADATA_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 88 matching lines @@
 
   // Returns the local ID associated with the given resource ID.
   FileError GetIdByResourceId(const std::string& resource_id,
                               std::string* out_local_id);
 
  private:
   // Note: Use Destroy() to delete this object.
   ~ResourceMetadata();
 
   // Sets up entries which should be present by default.
-  bool SetUpDefaultEntries();
+  FileError SetUpDefaultEntries();
 
   // Used to implement Destroy().
   void DestroyOnBlockingPool();
 
   // Puts an entry under its parent directory. Removes the child from the old
   // parent if there is. This method will also do name de-duplication to ensure
   // that the exposed presentation path does not have naming conflicts. Two
   // files with the same name "Foo" will be renamed to "Foo (1)" and "Foo (2)".
-  bool PutEntryUnderDirectory(const ResourceEntry& entry);
+  FileError PutEntryUnderDirectory(const ResourceEntry& entry);
 
   // Returns an unused base name for |entry|.
-  std::string GetDeduplicatedBaseName(const ResourceEntry& entry);
+  FileError GetDeduplicatedBaseName(const ResourceEntry& entry,
+                                    std::string* base_name);
 
   // Removes the entry and its descendants.
-  bool RemoveEntryRecursively(const std::string& id);
+  FileError RemoveEntryRecursively(const std::string& id);
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
 
   ResourceMetadataStorage* storage_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceMetadata);
 };
 
 }  // namespace internal
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_RESOURCE_METADATA_H_