Random clean up around Chrome OS file manager code.

chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc

 // Copyright 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.
 
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_misc.h"
 
 #include "apps/app_window.h"
 #include "apps/app_window_registry.h"
 #include "ash/frame/frame_util.h"
 #include "base/files/file_path.h"
@@ skipping 255 matching lines @@
     return false;
 
   const extensions::WebstoreStandaloneInstaller::Callback callback =
       base::Bind(
           &FileBrowserPrivateInstallWebstoreItemFunction::OnInstallComplete,
           this);
 
   // Only GoogleCastAPI extension can use silent installation.
   if (params->silent_installation &&
       params->item_id != kGoogleCastApiExtensionId) {
-    SetError("Only whiltelisted items can do silent installation.");
+    SetError("Only whitelisted items can do silent installation.");
     return false;
   }
 
   scoped_refptr<file_manager::AppInstaller> installer(
       new file_manager::AppInstaller(GetAssociatedWebContents(),
                                      params->item_id,
                                      GetProfile(),
                                      params->silent_installation,
                                      callback));
   // installer will be AddRef()'d in BeginInstall().
@@ skipping 191 matching lines @@
       NOTREACHED();
       SetError(
           base::StringPrintf("Unexpected inspection type(%d) is specified.",
                              static_cast<int>(params->type)));
       return false;
   }
   return true;
 }
 
 }  // namespace extensions