Changes to enable HTML5 autoplay for voice search.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 82a4848475f096bf2bf902418f0d44e153de50e2..0c2a93529164ed55475e11209517e145eb3bf9fa 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -152,6 +152,8 @@
         'browser/android/uma_utils.h',
         'browser/android/url_utilities.cc',
         'browser/android/url_utilities.h',
+        'browser/android/voice_search_tab_helper.cc',
+        'browser/android/voice_search_tab_helper.h',
         'browser/android/webapps/single_tab_mode_tab_helper.cc',
         'browser/android/webapps/single_tab_mode_tab_helper.h',
         'browser/app_controller_mac.h',
@@ -3589,6 +3591,7 @@
             'android/java/src/org/chromium/chrome/browser/UmaBridge.java',
             'android/java/src/org/chromium/chrome/browser/UmaUtils.java',
             'android/java/src/org/chromium/chrome/browser/UrlUtilities.java',
+            'android/java/src/org/chromium/chrome/browser/VoiceSearchTabHelper.java',
             'android/java/src/org/chromium/chrome/browser/WebsiteSettingsPopup.java',
             'android/java/src/org/chromium/chrome/browser/infobar/AutoLoginDelegate.java',
             'android/java/src/org/chromium/chrome/browser/infobar/ConfirmInfoBarDelegate.java',