[Autofill] Componentize AutofillCCInfoBarDelegate.

components/autofill/core/browser/autofill_driver.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 COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_DRIVER_H_
 #define COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_DRIVER_H_
 
 #include <vector>
 
+#include "base/memory/weak_ptr.h"
 #include "components/autofill/core/common/form_data.h"
+#include "ui/base/window_open_disposition.h"
 
 namespace base {
 class SequencedWorkerPool;
 }
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace autofill {
 
 class FormStructure;
 
 // Interface that allows Autofill core code to interact with its driver (i.e.,
 // obtain information from it and give information to it). A concrete
 // implementation must be provided by the driver.
-class AutofillDriver {
+class AutofillDriver : public base::SupportsWeakPtr<AutofillDriver> {
  public:
    // The possible actions that the renderer can take on receiving form data.
   enum RendererFormDataAction {
     // The renderer should fill the form data.
     FORM_DATA_ACTION_FILL,
     // The renderer should preview the form data.
     FORM_DATA_ACTION_PREVIEW
   };
 
   virtual ~AutofillDriver() {}
@@ skipping 44 matching lines @@
   // Tells the renderer to clear the currently previewed Autofill results.
   virtual void RendererShouldClearPreviewedForm() = 0;
 
   // Tells the renderer to set the node text.
   virtual void RendererShouldFillFieldWithValue(
       const base::string16& value) = 0;
 
   // Tells the renderer to preview the node with suggested text.
   virtual void RendererShouldPreviewFieldWithValue(
       const base::string16& value) = 0;
+
+  // Opens the help |url| with |disposition| on link click perfromed on the
+  // infobar.

[Peter Kasting, 2014/12/23 21:20:35]

Nit: How about:

Opens |url| with the supplied |disposition|.

(This code doesn't really care in what circumstances clients might call it, so
it doesn't need to describe that.)

[Pritam Nikam, 2014/12/24 11:16:57]

Done.

+  virtual void LinkClicked(const GURL& url,
+                           WindowOpenDisposition disposition) = 0;
 };
 
 }  // namespace autofill
 
 #endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_AUTOFILL_DRIVER_H_