[web-ui] Migrate RegisterMessageCallback usage to base::bind().

chrome/browser/ui/webui/chromeos/login/user_image_screen_handler.cc

 // Copyright (c) 2011 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/chromeos/login/user_image_screen_handler.h"
 
-#include "base/callback.h"
+#include "base/bind.h"
+#include "base/bind_helpers.h"
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/default_user_images.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/login/webui_login_display.h"
 #include "chrome/browser/chromeos/options/take_photo_dialog.h"
 #include "chrome/browser/ui/views/window.h"
 #include "chrome/browser/ui/webui/web_ui_util.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 92 matching lines @@
   if (page_is_ready()) {
     profile_picture_ = image;
     profile_picture_data_url_ = web_ui_util::GetImageDataUrl(image);
     base::StringValue data_url(profile_picture_data_url_);
     web_ui_->CallJavascriptFunction("oobe.UserImageScreen.setProfileImage",
                                     data_url);
   }
 }
 
 void UserImageScreenHandler::RegisterMessages() {
-  web_ui_->RegisterMessageCallback(
-      "takePhoto",
-      NewCallback(this, &UserImageScreenHandler::HandleTakePhoto));
-  web_ui_->RegisterMessageCallback(
-      "selectImage",
-      NewCallback(this, &UserImageScreenHandler::HandleSelectImage));
-  web_ui_->RegisterMessageCallback(
-      "onUserImageAccepted",
-      NewCallback(this, &UserImageScreenHandler::HandleImageAccepted));
+  web_ui_->RegisterMessageCallback("takePhoto",
+      base::Bind(&UserImageScreenHandler::HandleTakePhoto,
+                 base::Unretained(this)));
+  web_ui_->RegisterMessageCallback("selectImage",
+      base::Bind(&UserImageScreenHandler::HandleSelectImage,
+                 base::Unretained(this)));
+  web_ui_->RegisterMessageCallback("onUserImageAccepted",
+      base::Bind(&UserImageScreenHandler::HandleImageAccepted,
+                 base::Unretained(this)));
 }
 
 void UserImageScreenHandler::OnPhotoAccepted(const SkBitmap& photo) {
   user_photo_ = photo;
   selected_image_ = UserManager::User::kExternalImageIndex;
   base::StringValue data_url(web_ui_util::GetImageDataUrl(user_photo_));
   web_ui_->CallJavascriptFunction("oobe.UserImageScreen.setUserPhoto",
                                   data_url);
 }
 
@@ skipping 33 matching lines @@
     screen_->OnPhotoTaken(user_photo_);
   } else if (selected_image_ == UserManager::User::kProfileImageIndex) {
     screen_->OnProfileImageSelected(profile_picture_);
   } else {
     DCHECK(selected_image_ >= 0);
     screen_->OnDefaultImageSelected(selected_image_);
   }
 }
 
 }  // namespace chromeos