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

components/password_manager/content/browser/content_password_manager_driver.cc

Index: components/password_manager/content/browser/content_password_manager_driver.cc
diff --git a/components/password_manager/content/browser/content_password_manager_driver.cc b/components/password_manager/content/browser/content_password_manager_driver.cc
index 4fca040a428819d8169523c800d1b51251e9d8b0..ffaf3ac58cef509fbd55ecf7b772da1167bec703 100644
--- a/components/password_manager/content/browser/content_password_manager_driver.cc
+++ b/components/password_manager/content/browser/content_password_manager_driver.cc
@@ -106,6 +106,11 @@ void ContentPasswordManagerDriver::ClearPreviewedForm() {
   host->Send(new AutofillMsg_ClearPreviewedForm(host->GetRoutingID()));
 }
 
+void ContentPasswordManagerDriver::ForceSavePassword() {
+  content::RenderFrameHost* host = render_frame_host_;
+  host->Send(new AutofillMsg_FindFocusedPasswordForm(host->GetRoutingID()));
+}
+
 PasswordGenerationManager*
 ContentPasswordManagerDriver::GetPasswordGenerationManager() {
   return &password_generation_manager_;
@@ -132,6 +137,8 @@ bool ContentPasswordManagerDriver::HandleMessage(const IPC::Message& message) {
   IPC_MESSAGE_HANDLER(AutofillHostMsg_InPageNavigation, OnInPageNavigation)
   IPC_MESSAGE_HANDLER(AutofillHostMsg_PasswordNoLongerGenerated,
                       OnPasswordNoLongerGenerated)
+  IPC_MESSAGE_HANDLER(AutofillHostMsg_FocusedPasswordFormFound,
+                      OnFocusedPasswordFormFound)
   IPC_MESSAGE_FORWARD(AutofillHostMsg_ShowPasswordSuggestions,
                       &password_autofill_manager_,
                       PasswordAutofillManager::OnShowPasswordSuggestions)
@@ -159,6 +166,11 @@ void ContentPasswordManagerDriver::OnPasswordFormSubmitted(
   GetPasswordManager()->OnPasswordFormSubmitted(this, password_form);
 }
 
+void ContentPasswordManagerDriver::OnFocusedPasswordFormFound(
+    const autofill::PasswordForm& password_form) {
+  GetPasswordManager()->OnPasswordFormForceSaveRequested(this, password_form);
+}
+
 void ContentPasswordManagerDriver::DidNavigateFrame(
     const content::LoadCommittedDetails& details,
     const content::FrameNavigateParams& params) {