Hook up new API for easy unlock to update lock screen

chrome/browser/ui/webui/signin/user_manager_screen_handler.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 "chrome/browser/ui/webui/signin/user_manager_screen_handler.h"
 
 #include "base/bind.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/value_conversions.h"
 #include "base/values.h"
@@ skipping 197 matching lines @@
     : desktop_type_(chrome::GetActiveDesktop()) {
   profileInfoCacheObserver_.reset(
       new UserManagerScreenHandler::ProfileUpdateObserver(
           g_browser_process->profile_manager(), this));
 }
 
 UserManagerScreenHandler::~UserManagerScreenHandler() {
   ScreenlockBridge::Get()->SetLockHandler(NULL);
 }
 
-void UserManagerScreenHandler::ShowBannerMessage(const std::string& message) {
+void UserManagerScreenHandler::ShowBannerMessage(
+    const base::string16& message) {
   web_ui()->CallJavascriptFunction(
       "login.AccountPickerScreen.showBannerMessage",
       base::StringValue(message));
 }
 
 void UserManagerScreenHandler::ShowUserPodCustomIcon(
     const std::string& user_email,
-    const gfx::Image& icon) {
-  gfx::ImageSkia icon_skia = icon.AsImageSkia();
-  base::DictionaryValue icon_representations;
-  icon_representations.SetString(
-      "scale1x",
-      webui::GetBitmapDataUrl(icon_skia.GetRepresentation(1.0f).sk_bitmap()));
-  icon_representations.SetString(
-      "scale2x",
-      webui::GetBitmapDataUrl(icon_skia.GetRepresentation(2.0f).sk_bitmap()));
+    const ScreenlockBridge::UserPodCustomIconOptions& icon_options) {
+  scoped_ptr<base::DictionaryValue> icon = icon_options.ToDictionaryValue();
+  if (!icon || icon->empty())
+    return;
   web_ui()->CallJavascriptFunction(
       "login.AccountPickerScreen.showUserPodCustomIcon",
       base::StringValue(user_email),
-      icon_representations);
+      *icon);
 }
 
 void UserManagerScreenHandler::HideUserPodCustomIcon(
     const std::string& user_email) {
   web_ui()->CallJavascriptFunction(
       "login.AccountPickerScreen.hideUserPodCustomIcon",
       base::StringValue(user_email));
 }
 
 void UserManagerScreenHandler::EnableInput() {
   // Nothing here because UI is not disabled when starting to authenticate.
 }
 
 void UserManagerScreenHandler::SetAuthType(
     const std::string& user_email,
     ScreenlockBridge::LockHandler::AuthType auth_type,
-    const std::string& auth_value) {
+    const base::string16& auth_value) {
   user_auth_type_map_[user_email] = auth_type;
   web_ui()->CallJavascriptFunction(
       "login.AccountPickerScreen.setAuthType",
       base::StringValue(user_email),
       base::FundamentalValue(auth_type),
       base::StringValue(auth_value));
 }
 
 ScreenlockBridge::LockHandler::AuthType UserManagerScreenHandler::GetAuthType(
       const std::string& user_email) const {
@@ skipping 382 matching lines @@
   } else {
     web_ui()->CallJavascriptFunction(
         "cr.ui.Oobe.showSignInError",
         base::FundamentalValue(0),
         base::StringValue(
             l10n_util::GetStringUTF8(IDS_LOGIN_ERROR_AUTHENTICATING)),
         base::StringValue(""),
         base::FundamentalValue(0));
   }
 }