Add "previewing on hover" support for password field.

components/password_manager/content/browser/content_password_manager_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/password_manager/content/browser/content_password_manager_driver.h"
 
 #include "components/autofill/content/browser/content_autofill_driver.h"
 #include "components/autofill/content/common/autofill_messages.h"
 #include "components/autofill/core/common/form_data.h"
 #include "components/autofill/core/common/password_form.h"
@@ skipping 46 matching lines @@
 void ContentPasswordManagerDriver::AcceptPasswordAutofillSuggestion(
     const base::string16& username,
     const base::string16& password) {
   content::RenderViewHost* host = web_contents()->GetRenderViewHost();
   host->Send(
       new AutofillMsg_AcceptPasswordAutofillSuggestion(host->GetRoutingID(),
                                                        username,
                                                        password));
 }
 
+void ContentPasswordManagerDriver::PreviewPasswordAutofillSuggestion(
+    const base::string16& username,
+    const base::string16& password) {
+  content::RenderViewHost* host = web_contents()->GetRenderViewHost();
+  host->Send(
+      new AutofillMsg_PreviewPasswordAutofillSuggestion(host->GetRoutingID(),
+                                                        username,
+                                                        password));
+}
+
+void ContentPasswordManagerDriver::ClearPasswordPreviewedForm() {
+  content::RenderViewHost* host = web_contents()->GetRenderViewHost();
+  host->Send(
+      new AutofillMsg_ClearPreviewedForm(host->GetRoutingID()));
+}
+
 bool ContentPasswordManagerDriver::DidLastPageLoadEncounterSSLErrors() {
   DCHECK(web_contents());
   content::NavigationEntry* entry =
       web_contents()->GetController().GetLastCommittedEntry();
   if (!entry) {
     NOTREACHED();
     return false;
   }
 
   return net::IsCertStatusError(entry->GetSSL().cert_status);
@@ skipping 52 matching lines @@
   return handled;
 }
 
 autofill::AutofillManager* ContentPasswordManagerDriver::GetAutofillManager() {
   autofill::ContentAutofillDriver* driver =
       autofill::ContentAutofillDriver::FromWebContents(web_contents());
   return driver ? driver->autofill_manager() : NULL;
 }
 
 }  // namespace password_manager