Add "previewing on hover" support for password field.

components/autofill/content/browser/content_autofill_driver.cc

 // Copyright 2014 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.
 
 #include "components/autofill/content/browser/content_autofill_driver.h"
 
 #include "base/command_line.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "components/autofill/content/common/autofill_messages.h"
 #include "components/autofill/core/browser/autofill_external_delegate.h"
@@ skipping 115 matching lines @@
 
 void ContentAutofillDriver::RendererShouldAcceptDataListSuggestion(
     const base::string16& value) {
   if (!RendererIsAvailable())
     return;
   content::RenderViewHost* host = web_contents()->GetRenderViewHost();
   host->Send(
       new AutofillMsg_AcceptDataListSuggestion(host->GetRoutingID(), value));
 }
 
-void ContentAutofillDriver::RendererShouldAcceptPasswordAutofillSuggestion(
+void ContentAutofillDriver::RendererShouldFillPassword(
     const base::string16& username) {
   if (!RendererIsAvailable())
     return;
   content::RenderViewHost* host = web_contents()->GetRenderViewHost();
   host->Send(new AutofillMsg_AcceptPasswordAutofillSuggestion(

[Ilya Sherman, 2014/03/25 19:45:27]

nit: Let's rename this message as well, to AutofillMsg_FillPassword.

       host->GetRoutingID(), username));
 }
 
+void ContentAutofillDriver::RendererShouldPreviewPassword(
+    const base::string16& username) {
+  if (!RendererIsAvailable())
+    return;
+  content::RenderViewHost* host = web_contents()->GetRenderViewHost();
+  host->Send(
+      new AutofillMsg_PreviewPassword(host->GetRoutingID(), username));
+}
+
 void ContentAutofillDriver::RendererShouldClearFilledForm() {
   if (!RendererIsAvailable())
     return;
   content::RenderViewHost* host = web_contents()->GetRenderViewHost();
   host->Send(new AutofillMsg_ClearForm(host->GetRoutingID()));
 }
 
 void ContentAutofillDriver::RendererShouldClearPreviewedForm() {
   if (!RendererIsAvailable())
     return;
@@ skipping 80 matching lines @@
 void ContentAutofillDriver::NavigationEntryCommitted(
     const content::LoadCommittedDetails& load_details) {
   autofill_manager_->delegate()->HideAutofillPopup();
 }
 
 void ContentAutofillDriver::WasHidden() {
   autofill_manager_->delegate()->HideAutofillPopup();
 }
 
 }  // namespace autofill