Cleanup blimp/client/core code organization.

blimp/client/core/android/blimp_jni_registrar.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 "blimp/client/public/android/blimp_jni_registrar.h"
-
-#include "base/android/jni_registrar.h"
-#include "blimp/client/core/android/blimp_client_context_impl_android.h"
-#include "blimp/client/core/contents/android/blimp_contents_jni_registrar.h"
-#include "blimp/client/core/settings/android/blimp_settings_android.h"
-
-namespace blimp {
-namespace client {
-namespace {
-
-base::android::RegistrationMethod kBlimpRegistrationMethods[] = {
-    {"BlimpClientContextImplAndroid",
-     BlimpClientContextImplAndroid::RegisterJni},
-    {"BlimpContentsJni", RegisterBlimpContentsJni},
-    {"BlimpSettingsAndroid", BlimpSettingsAndroid::RegisterJni},
-};
-
-}  // namespace
-
-// This method is declared in
-// //blimp/client/public/android/blimp_jni_registrar.h, and either this function
-// or the one in //blimp/client/core/android/dummy_blimp_jni_registrar.cc
-// should be linked in to any binary blimp::client::RegisterBlimpJni.
-bool RegisterBlimpJni(JNIEnv* env) {
-  return base::android::RegisterNativeMethods(
-      env, kBlimpRegistrationMethods, arraysize(kBlimpRegistrationMethods));
-}
-
-}  // namespace client
-}  // namespace blimp