Remove Profile dependency from TiclInvalidationService

chrome/browser/invalidation/ticl_profile_settings_provider.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 "chrome/browser/invalidation/ticl_profile_settings_provider.h"
+
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/command_line.h"
+#include "base/prefs/pref_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/services/gcm/gcm_profile_service.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
+
+namespace invalidation {
+
+TiclProfileSettingsProvider::TiclProfileSettingsProvider(Profile* profile)
+    : profile_(profile) {
+  registrar_.Init(profile->GetPrefs());
+  registrar_.Add(
+      prefs::kInvalidationServiceUseGCMChannel,
+      base::Bind(&TiclProfileSettingsProvider::FireOnUseGCMChannelChanged,
+                 base::Unretained(this)));
+  registrar_.Add(
+      prefs::kGCMChannelEnabled,
+      base::Bind(&TiclProfileSettingsProvider::FireOnUseGCMChannelChanged,
+                 base::Unretained(this)));
+}
+
+TiclProfileSettingsProvider::~TiclProfileSettingsProvider() {
+}
+
+bool TiclProfileSettingsProvider::UseGCMChannel() const {
+  if (gcm::GCMProfileService::GetGCMEnabledState(profile_) !=
+          gcm::GCMProfileService::ALWAYS_ENABLED) {
+    // Do not use GCM channel if GCM is disabled or is to be used for apps only.
+    return false;
+  }
+
+  if (profile_->GetPrefs()->GetBoolean(
+          prefs::kInvalidationServiceUseGCMChannel)) {
+    // Use GCM channel if it was enabled via prefs.
+    return true;
+  }
+
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kInvalidationUseGCMChannel)) {
+    // Use GCM channel if it was enabled via a command-line switch.
+    return true;
+  }
+
+  // By default, do not use GCM channel.
+  return false;
+}
+
+}  // namespace invalidation