Add a basic functionality to the force-saving menu item.

components/password_manager/core/browser/password_manager_client.h

Index: components/password_manager/core/browser/password_manager_client.h
diff --git a/components/password_manager/core/browser/password_manager_client.h b/components/password_manager/core/browser/password_manager_client.h
index 0309454f0909aed10ed50891123618e9e56bbe1b..5213a5d9199bdd6fca131a6889362e610334eec0 100644
--- a/components/password_manager/core/browser/password_manager_client.h
+++ b/components/password_manager/core/browser/password_manager_client.h
@@ -94,6 +94,10 @@ class PasswordManagerClient {
       const GURL& origin,
       base::Callback<void(const CredentialInfo&)> callback) = 0;
 
+  // Informs the embedder that the user has manually requested to save the
+  // password in the focused password field.
+  virtual void ForceSavePassword() = 0;

[vabr (Chromium), 2015/06/01 07:17:21]

Actually, since this is experimental only, it is not required on all platforms
yet, and should be implemented here instead of in the stub.

This means that for the iOS build there will be no need to add a similar stub
again.

+
   // Informs the embedder that automatic signing in just happened. The form
   // returned to the site is |local_forms[0]|. |local_forms| and
   // |federated_forms| contain all the local and federated credentials for the