Introduce a layering in the invalidation component as public and impl

components/invalidation/impl/gcm_invalidation_bridge.cc

 // Copyright 2014 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/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "components/gcm_driver/gcm_driver.h"
-#include "components/invalidation/gcm_invalidation_bridge.h"
+#include "components/invalidation/impl/gcm_invalidation_bridge.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "google_apis/gaia/gaia_constants.h"
 #include "google_apis/gaia/identity_provider.h"
 
 namespace invalidation {
 namespace {
 // For 3rd party developers SenderId should come from application dashboard when
 // server side application is registered with Google. Android invalidations use
 // legacy format where gmail account can be specificed. Below value is copied
@@ skipping 347 matching lines @@
 
 void GCMInvalidationBridge::OnDisconnected() {
   core_thread_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&GCMInvalidationBridge::Core::OnConnectionStateChanged,
                  core_,
                  false));
 }
 
 }  // namespace invalidation