[VideoPlayer] dedicated video player app

chrome/browser/resources/video_player/js/background.js

+// 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.
+
+'use strict';
+
+chrome.app.runtime.onLaunched.addListener(function(launchData) {
+  if (!launchData || !launchData.items || launchData.items.length == 0)
+    return;
+
+  var entry = launchData.items[0].entry;
+  entry.file(function(file) {
+    var url = window.URL.createObjectURL(file);
+    open(url, entry.name);
+  }, function() {
+    // TODO(yoshiki): handle error in a smarter way.
+    open('', 'error');  // Empty URL shows the error message.
+  });
+});
+
+function open(url, title) {
+  chrome.app.window.create('video_player.html', {
+    id: 'video',
+    singleton: false,
+    minWidth: 160,
+    minHeight: 100
+  },
+  function(createdWindow) {
+    createdWindow.setIcon('images/200/icon.png');
+    createdWindow.contentWindow.videoUrl = url;
+    createdWindow.contentWindow.videoTitle = title;
+  });
+}