Remove Chrome for TV code.

base/android/context_types.cc

-// Copyright (c) 2013 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.
-
-#include "base/android/context_types.h"
-
-#include "base/android/jni_android.h"
-#include "base/android/scoped_java_ref.h"
-#include "base/files/file_path.h"
-#include "jni/ContextTypes_jni.h"
-
-namespace base {
-namespace android {
-
-bool IsRunningInWebapp() {
-  JNIEnv* env = AttachCurrentThread();
-  return static_cast<bool>(
-     Java_ContextTypes_isRunningInWebapp(env, GetApplicationContext()));
-}
-
-bool RegisterContextTypes(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-}  // namespace android
-}  // namespace base