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 36 matching lines @@
   host->Send(new AutofillMsg_FormNotBlacklisted(host->GetRoutingID(), *form));
 }
 
 void ContentPasswordManagerDriver::AccountCreationFormsFound(
     const std::vector<autofill::FormData>& forms) {
   content::RenderViewHost* host = web_contents()->GetRenderViewHost();
   host->Send(new AutofillMsg_AccountCreationFormsDetected(host->GetRoutingID(),
                                                           forms));
 }
 
-void ContentPasswordManagerDriver::AcceptPasswordAutofillSuggestion(
+void ContentPasswordManagerDriver::FillSuggestion(
     const base::string16& username,
     const base::string16& password) {
   content::RenderViewHost* host = web_contents()->GetRenderViewHost();
   host->Send(
-      new AutofillMsg_AcceptPasswordAutofillSuggestion(host->GetRoutingID(),
-                                                       username,
-                                                       password));
+      new AutofillMsg_FillPasswordSuggestion(host->GetRoutingID(),
+                                             username,
+                                             password));
+}
+
+void ContentPasswordManagerDriver::PreviewSuggestion(
+    const base::string16& username,
+    const base::string16& password) {
+  content::RenderViewHost* host = web_contents()->GetRenderViewHost();
+  host->Send(
+      new AutofillMsg_PreviewPasswordSuggestion(host->GetRoutingID(),
+                                                username,
+                                                password));
+}
+
+void ContentPasswordManagerDriver::ClearPreviewedForm() {
+  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;
   }
@@ skipping 54 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