Move all gcm activity types out of GCMStatsRecorder

google_apis/gcm/gcm_activity.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 "google_apis/gcm/gcm_activity.h"
+
+namespace gcm {
+
+Activity::Activity()
+    : time(base::Time::Now()) {
+}
+
+Activity::~Activity() {
+}
+
+CheckinActivity::CheckinActivity() {
+}
+
+CheckinActivity::~CheckinActivity() {
+}
+
+ConnectionActivity::ConnectionActivity() {
+}
+
+ConnectionActivity::~ConnectionActivity() {
+}
+
+RegistrationActivity::RegistrationActivity() {
+}
+
+RegistrationActivity::~RegistrationActivity() {
+}
+
+ReceivingActivity::ReceivingActivity()
+    : message_byte_size(0) {
+}
+
+ReceivingActivity::~ReceivingActivity() {
+}
+
+SendingActivity::SendingActivity() {
+}
+
+SendingActivity::~SendingActivity() {
+}
+
+RecordedActivities::RecordedActivities() {
+}
+
+RecordedActivities::~RecordedActivities() {
+}
+
+}  // namespace gcm