Move the remaining NTP realted files to c/b/android/ntp subdir.

chrome/browser/android/ntp_snippets_launcher.cc

-// Copyright 2016 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 "chrome/browser/android/ntp_snippets_launcher.h"
-
-#include "base/android/context_utils.h"
-#include "content/public/browser/browser_thread.h"
-#include "jni/SnippetsLauncher_jni.h"
-
-using content::BrowserThread;
-
-namespace {
-
-base::LazyInstance<NTPSnippetsLauncher> g_snippets_launcher =
-    LAZY_INSTANCE_INITIALIZER;
-
-}  // namespace
-
-// static
-NTPSnippetsLauncher* NTPSnippetsLauncher::Get() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  return g_snippets_launcher.Pointer();
-}
-
-// static
-bool NTPSnippetsLauncher::Register(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-bool NTPSnippetsLauncher::Schedule(int period_seconds) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  JNIEnv* env = base::android::AttachCurrentThread();
-  return Java_SnippetsLauncher_schedule(
-      env, java_launcher_.obj(), period_seconds);
-}
-
-bool NTPSnippetsLauncher::Unschedule() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  JNIEnv* env = base::android::AttachCurrentThread();
-  return Java_SnippetsLauncher_unschedule(env, java_launcher_.obj());
-}
-
-NTPSnippetsLauncher::NTPSnippetsLauncher() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  JNIEnv* env = base::android::AttachCurrentThread();
-  java_launcher_.Reset(Java_SnippetsLauncher_create(
-      env, base::android::GetApplicationContext()));
-}
-
-NTPSnippetsLauncher::~NTPSnippetsLauncher() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  JNIEnv* env = base::android::AttachCurrentThread();
-  Java_SnippetsLauncher_destroy(env, java_launcher_.obj());
-  java_launcher_.Reset();
-}