1 files changed, 110 insertions, 0 deletions
diff --git a/components/browser_context_keyed_service/browser_context_keyed_base_factory.cc b/components/browser_context_keyed_service/browser_context_keyed_base_factory.cc
new file mode 100644
index 0000000..9228400
--- /dev/null
+++ b/components/browser_context_keyed_service/browser_context_keyed_base_factory.cc
@@ -0,0 +1,110 @@
+// Copyright (c) 2012 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 "components/browser_context_keyed_service/browser_context_keyed_base_factory.h"
+
+#include "base/prefs/pref_service.h"
+#include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
+#include "components/user_prefs/pref_registry_syncable.h"
+#include "components/user_prefs/user_prefs.h"
+#include "content/public/browser/browser_context.h"
+
+ProfileKeyedBaseFactory::ProfileKeyedBaseFactory(
+    const char* name, ProfileDependencyManager* manager)
+    : dependency_manager_(manager)
+#ifndef NDEBUG
+    , service_name_(name)
+#endif
+{
+  dependency_manager_->AddComponent(this);
+}
+
+ProfileKeyedBaseFactory::~ProfileKeyedBaseFactory() {
+  dependency_manager_->RemoveComponent(this);
+}
+
+void ProfileKeyedBaseFactory::DependsOn(ProfileKeyedBaseFactory* rhs) {
+  dependency_manager_->AddEdge(rhs, this);
+}
+
+content::BrowserContext* ProfileKeyedBaseFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  DCHECK(CalledOnValidThread());
+
+#ifndef NDEBUG
+  dependency_manager_->AssertProfileWasntDestroyed(context);
+#endif
+
+  // Safe default for the Incognito mode: no service.
+  if (context->IsOffTheRecord())
+    return NULL;
+
+  return context;
+}
+
+void ProfileKeyedBaseFactory::RegisterUserPrefsOnProfile(
+    content::BrowserContext* profile) {
+  // Safe timing for pref registration is hard. Previously, we made Profile
+  // responsible for all pref registration on every service that used
+  // Profile. Now we don't and there are timing issues.
+  //
+  // With normal profiles, prefs can simply be registered at
+  // ProfileDependencyManager::CreateProfileServices time. With incognito
+  // profiles, we just never register since incognito profiles share the same
+  // pref services with their parent profiles.
+  //
+  // TestingProfiles throw a wrench into the mix, in that some tests will
+  // swap out the PrefService after we've registered user prefs on the original
+  // PrefService. Test code that does this is responsible for either manually
+  // invoking RegisterUserPrefs() on the appropriate ProfileKeyedServiceFactory
+  // associated with the prefs they need, or they can use SetTestingFactory()
+  // and create a service (since service creation with a factory method causes
+  // registration to happen at service creation time).
+  //
+  // Now that services are responsible for declaring their preferences, we have
+  // to enforce a uniquenes check here because some tests create one profile and
+  // multiple services of the same type attached to that profile (serially, not
+  // parallel) and we don't want to register multiple times on the same profile.
+  DCHECK(!profile->IsOffTheRecord());
+
+  std::set<content::BrowserContext*>::iterator it =
+      registered_preferences_.find(profile);
+  if (it == registered_preferences_.end()) {
+    PrefService* prefs = components::UserPrefs::Get(profile);
+    user_prefs::PrefRegistrySyncable* registry =
+        static_cast<user_prefs::PrefRegistrySyncable*>(
+            prefs->DeprecatedGetPrefRegistry());
+    RegisterUserPrefs(registry);
+    registered_preferences_.insert(profile);
+  }
+}
+
+bool ProfileKeyedBaseFactory::ServiceIsCreatedWithProfile() const {
+  return false;
+}
+
+bool ProfileKeyedBaseFactory::ServiceIsNULLWhileTesting() const {
+  return false;
+}
+
+void ProfileKeyedBaseFactory::ProfileDestroyed(
+    content::BrowserContext* profile) {
+  // While object destruction can be customized in ways where the object is
+  // only dereferenced, this still must run on the UI thread.
+  DCHECK(CalledOnValidThread());
+
+  registered_preferences_.erase(profile);
+}
+
+bool ProfileKeyedBaseFactory::ArePreferencesSetOn(
+    content::BrowserContext* profile) const {
+  return registered_preferences_.find(profile) !=
+      registered_preferences_.end();
+}
+
+void ProfileKeyedBaseFactory::MarkPreferencesSetOn(
+    content::BrowserContext* profile) {
+  DCHECK(!ArePreferencesSetOn(profile));
+  registered_preferences_.insert(profile);
+}