Add rendering support to the TestShell.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index b317b80636e6888973571c2ec7e925347096cd4c..90b15fba2a3bf72c7b3a615a5a35f84f587bfccd 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -139,6 +139,8 @@
         'browser/android/provider/run_on_ui_thread_blocking.h',
         'browser/android/tab_android.cc',
         'browser/android/tab_android.h',
+        'browser/android/tab_base_android_impl.cc',
+        'browser/android/tab_base_android_impl.h',
         'browser/api/bookmarks/bookmark_service.h',
         'browser/api/infobars/confirm_infobar_delegate.cc',
         'browser/api/infobars/confirm_infobar_delegate.h',
@@ -2828,6 +2830,7 @@
             'android/java/src/org/chromium/chrome/browser/IntentHelper.java',
             'android/java/src/org/chromium/chrome/browser/JavascriptAppModalDialog.java',
             'android/java/src/org/chromium/chrome/browser/ProcessUtils.java',
+            'android/java/src/org/chromium/chrome/browser/TabBase.java',
             'android/java/src/org/chromium/chrome/browser/database/SQLiteCursor.java',
           ],
           'variables': {