[Android] A prototype of the interactive media notification.

chrome/android/java/res/values-v21/styles.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- 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. -->
 
 <resources>
     <!-- Preferences -->
     <style name="PreferencesTheme" parent="ThemeWithActionBar">
         <item name="android:textColorLink">@color/pref_accent_color</item>
         <item name="android:alertDialogTheme">@style/PreferencesDialogTheme</item>
@@ skipping 35 matching lines @@
     <style name="PreferenceLayout" parent="PreferenceLayoutBase" />
 
     <!-- Buttons -->
     <style name="ButtonCompat" parent="ButtonCompatBase">
         <item name="android:background">@drawable/button_compat</item>
         <item name="android:fontFamily">sans-serif-medium</item>
     </style>
     <style name="ButtonCompatBorderless" parent="ButtonCompat">
         <item name="android:background">@drawable/button_borderless_compat</item>
     </style>
-    <!-- Cast notification -->
+    <!-- Cast and media playback notifications -->
+    <style name="MediaNotificationTitle"
+        parent="@android:style/TextAppearance.Material.Notification.Title">
+    </style>
+    <style name="MediaNotificationText"
+        parent="@android:style/TextAppearance.Material.Notification.Line2"/>
     <style name="RemoteNotificationTitle"
         parent="@android:style/TextAppearance.Material.Notification.Title">
         <item name="android:layout_marginBottom">4dp</item>
     </style>
     <style name="RemoteNotificationText"
         parent="@android:style/TextAppearance.Material.Notification.Line2"/>
     <style name="RemoteNotificationProgressBar" parent="@android:style/Widget.ProgressBar.Horizontal">
         <item name="android:minHeight">5dp</item>
     </style>
 
     <style name="IncognitoTheme" parent="MainTheme">
         <item name="android:colorPrimary">@color/incognito_primary_color</item>
     </style>
 
 </resources>