Add "previewing on hover" support for password field.

components/autofill/content/renderer/autofill_agent.cc

 // Copyright 2013 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/renderer/autofill_agent.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_split.h"
@@ skipping 145 matching lines @@
                         OnFieldTypePredictionsAvailable)
     IPC_MESSAGE_HANDLER(AutofillMsg_ClearForm, OnClearForm)
     IPC_MESSAGE_HANDLER(AutofillMsg_ClearPreviewedForm, OnClearPreviewedForm)
     IPC_MESSAGE_HANDLER(AutofillMsg_FillFieldWithValue, OnFillFieldWithValue)
     IPC_MESSAGE_HANDLER(AutofillMsg_PreviewFieldWithValue,
                         OnPreviewFieldWithValue)
     IPC_MESSAGE_HANDLER(AutofillMsg_AcceptDataListSuggestion,
                         OnAcceptDataListSuggestion)
     IPC_MESSAGE_HANDLER(AutofillMsg_AcceptPasswordAutofillSuggestion,
                         OnAcceptPasswordAutofillSuggestion)
+    IPC_MESSAGE_HANDLER(AutofillMsg_PreviewPasswordAutofillSuggestion,
+                        OnPreviewPasswordAutofillSuggestion)
     IPC_MESSAGE_HANDLER(AutofillMsg_RequestAutocompleteResult,
                         OnRequestAutocompleteResult)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void AutofillAgent::DidFinishDocumentLoad(WebLocalFrame* frame) {
   // If the main frame just finished loading, we should process it.
   if (!frame->parent())
@@ skipping 314 matching lines @@
     PreviewFieldWithValue(value, input_element);
 }
 
 void AutofillAgent::OnAcceptDataListSuggestion(const base::string16& value) {
   AcceptDataListSuggestion(value);
 }
 
 void AutofillAgent::OnAcceptPasswordAutofillSuggestion(
     const base::string16& username,
     const base::string16& password) {
-  bool handled = password_autofill_agent_->AcceptSuggestion(
+  bool handled = password_autofill_agent_->FillSuggestion(
       element_,
       username,
       password);
+  DCHECK(handled);
+}
+
+void AutofillAgent::OnPreviewPasswordAutofillSuggestion(
+    const base::string16& username,
+    const base::string16& password) {
+  bool handled = password_autofill_agent_->PreviewSuggestion(
+      element_,
+      username,
+      password);
   DCHECK(handled);
 }
 
 void AutofillAgent::OnRequestAutocompleteResult(
     WebFormElement::AutocompleteResult result,
     const base::string16& message,
     const FormData& form_data) {
   if (in_flight_request_form_.isNull())
     return;
 
@@ skipping 188 matching lines @@
     // parsed form.
     if (frame && !frame->parent() && !frame->isLoading()) {
       ProcessForms(*frame);
       password_autofill_agent_->OnDynamicFormsSeen(frame);
       return;
     }
   }
 }
 
 }  // namespace autofill