Some nits I found while looking around rAc() code.

chrome/browser/ui/autofill/autofill_dialog_view_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_VIEW_DELEGATE_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_VIEW_DELEGATE_H_
 
 #include <vector>
 
 #include "base/strings/string16.h"
@@ skipping 131 matching lines @@
   virtual bool InputIsEditable(const DetailInput& input,
                                DialogSection section) = 0;
 
   // Decides whether input of |value| is valid for a field of type |type|. If
   // valid, the returned string will be empty. Otherwise it will contain an
   // error message.
   virtual base::string16 InputValidityMessage(DialogSection section,
                                         ServerFieldType type,
                                         const base::string16& value) = 0;
 
-
   // Decides whether the combination of all |inputs| is valid, returns a
   // map of field types to validity messages.
   virtual ValidityMessages InputsAreValid(DialogSection section,
                                           const FieldValueMap& inputs) = 0;
 
   // Called when the user changes the contents of a text field or activates it
   // (by focusing and then clicking it). |was_edit| is true when the function
   // was called in response to the user editing the text field.
   virtual void UserEditedOrActivatedInput(DialogSection section,
                                           ServerFieldType type,
@@ skipping 51 matching lines @@
   // The web contents that prompted the dialog.
   virtual content::WebContents* GetWebContents() = 0;
 
  protected:
   virtual ~AutofillDialogViewDelegate();
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_VIEW_DELEGATE_H_