[Autofill] Componentize AutofillCCInfoBarDelegate.

components/autofill/core/browser/autofill_driver.h

Index: components/autofill/core/browser/autofill_driver.h
diff --git a/components/autofill/core/browser/autofill_driver.h b/components/autofill/core/browser/autofill_driver.h
index 748ad6e5b4a87be08347eae195f74e5700da2b7b..5d225394af68a4915b2b3eb1df42be5cd033f537 100644
--- a/components/autofill/core/browser/autofill_driver.h
+++ b/components/autofill/core/browser/autofill_driver.h
@@ -8,6 +8,7 @@
 #include <vector>
 
 #include "components/autofill/core/common/form_data.h"
+#include "ui/base/window_open_disposition.h"
 
 namespace base {
 class SequencedWorkerPool;
@@ -84,6 +85,11 @@ class AutofillDriver {
   // 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.
+  virtual void LinkClicked(const GURL& url,
+                           WindowOpenDisposition disposition) = 0;
 };
 
 }  // namespace autofill