Make the URLs in the password exceptions list clickable.

chrome/common/extensions/api/passwords_private.idl

Index: chrome/common/extensions/api/passwords_private.idl
diff --git a/chrome/common/extensions/api/passwords_private.idl b/chrome/common/extensions/api/passwords_private.idl
index 9eac0a1deb09eb1d5971205f838eb6c844bc1ab7..d2be1de6cf7fef03d8a68c0a106057a4b2f5831d 100644
--- a/chrome/common/extensions/api/passwords_private.idl
+++ b/chrome/common/extensions/api/passwords_private.idl
@@ -30,6 +30,14 @@ namespace passwordsPrivate {
     DOMString? federationText;
   };
 
+  dictionary ExceptionPair {
+    // The human-readable URL where passwords will not be saved.
+    DOMString exceptionUrl;
+
+    // The URL that should be linked to when clicking in the UI.

[stevenjb, 2016/04/22 16:11:20]

nit: Something like "The complete URL of the page where the exception applies."
We shouldn't describe a particular implementation in the API.

[hcarmona, 2016/04/23 01:46:08]

Sounds good, updated comments.

+    DOMString linkUrl;
+  };
+
   // Dictionary passed to listeners for the onPlaintextPasswordRetrieved event.
   dictionary PlaintextPasswordEventParameters {
     // The LoginPair associated with the retrieved password.
@@ -40,7 +48,7 @@ namespace passwordsPrivate {
   };
 
   callback PasswordListCallback = void(PasswordUiEntry[] entries);
-  callback ExceptionListCallback = void(DOMString[] exceptions);
+  callback ExceptionListCallback = void(ExceptionPair[] exceptions);
 
   interface Functions {
     // Removes the saved password corresponding to |loginPair|. If no saved
@@ -85,7 +93,7 @@ namespace passwordsPrivate {
     // entry has been added or removed.
     //
     // |exceptions|: The updated list of password exceptions.
-    static void onPasswordExceptionsListChanged(DOMString[] exceptions);
+    static void onPasswordExceptionsListChanged(ExceptionPair[] exceptions);
 
     // Fired when a plaintext password has been fetched in response to a call to
     // chrome.passwordsPrivate.requestPlaintextPassword().