Media Metadata API: Extract raw tags for audio/video.

chrome/test/data/extensions/api_test/media_galleries/media_metadata/test.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.
 
 var mediaGalleries = chrome.mediaGalleries;
 
 function RunMetadataTest(filename, callOptions, verifyMetadataFunction) {
   function getMediaFileSystemsCallback(results) {
     chrome.test.assertEq(1, results.length);
     var gallery = results[0];
@@ skipping 33 matching lines @@
 }
 
 function MP3TagsTest() {
   function verifyMetadata(metadata) {
     chrome.test.assertEq("audio/mpeg", metadata.mimeType);
     chrome.test.assertEq("Airbag", metadata.title);
     chrome.test.assertEq("Radiohead", metadata.artist);
     chrome.test.assertEq("OK Computer", metadata.album);
     chrome.test.assertEq(1, metadata.track);
     chrome.test.assertEq("Alternative", metadata.genre);
+
+    chrome.test.assertEq("OK Computer", metadata.rawTags["album"]);
+    chrome.test.assertEq("Radiohead", metadata.rawTags["artist"]);
+    chrome.test.assertEq("1997", metadata.rawTags["date"]);
+    chrome.test.assertEq("Lavf54.4.100", metadata.rawTags["encoder"]);
+    chrome.test.assertEq("Alternative", metadata.rawTags["genre"]);
+    chrome.test.assertEq("Airbag", metadata.rawTags["title"]);
+    chrome.test.assertEq("1", metadata.rawTags["track"]);
+
     chrome.test.succeed();
   }
 
   return RunMetadataTest("id3_png_test.mp3", {}, verifyMetadata);
 }
 
 function RotatedVideoTest() {
   function verifyMetadata(metadata) {
     chrome.test.assertEq("video/mp4", metadata.mimeType);
     chrome.test.assertEq(90, metadata.rotation);
+
+    chrome.test.assertEq("isom3gp4", metadata.rawTags["compatible_brands"]);
+    chrome.test.assertEq("2014-02-11 00:39:25",
+                         metadata.rawTags["creation_time"]);
+    chrome.test.assertEq("VideoHandle", metadata.rawTags["handler_name"]);
+    chrome.test.assertEq("eng", metadata.rawTags["language"]);
+    chrome.test.assertEq("isom", metadata.rawTags["major_brand"]);
+    chrome.test.assertEq("0", metadata.rawTags["minor_version"]);
+    chrome.test.assertEq("90", metadata.rawTags["rotate"]);
+
     chrome.test.succeed();
   }
 
   return RunMetadataTest("90rotation.mp4", {}, verifyMetadata);
 }
 
 chrome.test.getConfig(function(config) {
   var customArg = JSON.parse(config.customArg);
   var useProprietaryCodecs = customArg[0];
 
   // Should still be able to sniff MP3 MIME type without proprietary codecs.
   var testsToRun = [
     ImageMIMETypeOnlyTest
   ];
 
   if (useProprietaryCodecs) {
     testsToRun = testsToRun.concat([
       MP3MIMETypeOnlyTest,
       MP3TagsTest,
       RotatedVideoTest
     ]);
   }
 
   chrome.test.runTests(testsToRun);
 });