Add rendering support to the TestShell.

chrome/android/testshell/tab_manager.h

Index: chrome/android/testshell/tab_manager.h
diff --git a/chrome/android/testshell/tab_manager.h b/chrome/android/testshell/tab_manager.h
new file mode 100644
index 0000000000000000000000000000000000000000..c576768b2aee2e67e8e1547049d32cd46172ab2b
--- /dev/null
+++ b/chrome/android/testshell/tab_manager.h
@@ -0,0 +1,16 @@
+// Copyright (c) 2012 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.
+
+#ifndef CHROME_ANDROID_TESTSHELL_TAB_MANAGER_H_
+#define CHROME_ANDROID_TESTSHELL_TAB_MANAGER_H_
+
+#include <jni.h>
+
+namespace chrome {
+
+bool RegisterTabManager(JNIEnv* env);
+
+}
+
+#endif  // CHROME_ANDROID_TESTSHELL_TAB_MANAGER_H_