Fix spelling of "NaCl" in various places: "NaCL" is the wrong capitalisation

webkit/browser/fileapi/async_file_util.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_FILEAPI_ASYNC_FILE_UTIL_H_
 #define WEBKIT_BROWSER_FILEAPI_ASYNC_FILE_UTIL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 81 matching lines @@
 
   AsyncFileUtil() {}
   virtual ~AsyncFileUtil() {}
 
   // Creates or opens a file with the given flags.
   // If PLATFORM_FILE_CREATE is set in |file_flags| it always tries to create
   // a new file at the given |url| and calls back with
   // PLATFORM_FILE_ERROR_FILE_EXISTS if the |url| already exists.
   //
   // FileSystemOperationImpl::OpenFile calls this.
-  // This is used only by Pepper/NaCL File API.
+  // This is used only by Pepper/NaCl File API.
   //
   virtual void CreateOrOpen(
       scoped_ptr<FileSystemOperationContext> context,
       const FileSystemURL& url,
       int file_flags,
       const CreateOrOpenCallback& callback) = 0;
 
   // Ensures that the given |url| exist.  This creates a empty new file
   // at |url| if the |url| does not exist.
   //
@@ skipping 65 matching lines @@
   virtual void ReadDirectory(
       scoped_ptr<FileSystemOperationContext> context,
       const FileSystemURL& url,
       const ReadDirectoryCallback& callback) = 0;
 
   // Modifies timestamps of a file or directory at |url| with
   // |last_access_time| and |last_modified_time|. The function DOES NOT
   // create a file unlike 'touch' command on Linux.
   //
   // FileSystemOperationImpl::TouchFile calls this.
-  // This is used only by Pepper/NaCL File API.
+  // This is used only by Pepper/NaCl File API.
   //
   virtual void Touch(
       scoped_ptr<FileSystemOperationContext> context,
       const FileSystemURL& url,
       const base::Time& last_access_time,
       const base::Time& last_modified_time,
       const StatusCallback& callback) = 0;
 
   // Truncates a file at |path| to |length|. If |length| is larger than
   // the original file size, the file will be extended, and the extended
@@ skipping 161 matching lines @@
       const FileSystemURL& url,
       const CreateSnapshotFileCallback& callback) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AsyncFileUtil);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_BROWSER_FILEAPI_ASYNC_FILE_UTIL_H_