A handful of nits found while working on blobs.

webkit/browser/blob/blob_storage_context.h

 // Copyright (c) 2013 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 WEBKIT_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_
 #define WEBKIT_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_
 
 #include <map>
 #include <string>
 
@@ skipping 83 matching lines @@
       const GURL& url, uint64 offset, uint64 length,
       const base::Time& expected_modification_time);
 
   bool IsInUse(const std::string& uuid);
   bool IsBeingBuilt(const std::string& uuid);
   bool IsUrlRegistered(const GURL& blob_url);
 
   BlobMap blob_map_;
   BlobURLMap public_blob_urls_;
 
-  // Used to keep track of how much memory is being utitlized for blob data,
+  // Used to keep track of how much memory is being utilized for blob data,
   // we count only the items of TYPE_DATA which are held in memory and not
   // items of TYPE_FILE.
   int64 memory_usage_;
 
   DISALLOW_COPY_AND_ASSIGN(BlobStorageContext);
 };
 
 }  // namespace webkit_blob
 
 #endif  // WEBKIT_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_