Cleanup blimp/client/core code organization.

blimp/client/core/blimp_client_switches.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/core/blimp_client_switches.h"
-
-namespace blimp {
-namespace switches {
-
-const char kEngineCertPath[] = "engine-cert-path";
-
-// Specifies the engine's IP address. Must be used in conjunction with
-// --engine-port and --engine-transport.
-// This is the same command line flag as ENGINE_IP in
-// android/java/src/org/chromium/blimp/core/BlimpClientSwitches.java
-const char kEngineIP[] = "engine-ip";
-
-const char kEnginePort[] = "engine-port";
-
-const char kEngineTransport[] = "engine-transport";
-
-const char kDownloadWholeDocument[] = "download-whole-document";
-
-}  // namespace switches
-}  // namespace blimp