Refactor (Refcounted)BrowserContextKeyedServiceFactory

components/keyed_service/core/keyed_service_factory.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 "components/keyed_service/content/browser_context_keyed_service_factory.h"
-
-#include <map>
+#include "components/keyed_service/core/keyed_service_factory.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
-#include "components/keyed_service/content/browser_context_dependency_manager.h"
+#include "components/keyed_service/core/dependency_manager.h"
 #include "components/keyed_service/core/keyed_service.h"
-#include "content/public/browser/browser_context.h"
 
-void BrowserContextKeyedServiceFactory::SetTestingFactory(
-    content::BrowserContext* context,
+KeyedServiceFactory::KeyedServiceFactory(const char* name,
+                                         DependencyManager* manager)
+    : KeyedServiceBaseFactory(name, manager) {
+}
+
+KeyedServiceFactory::~KeyedServiceFactory() {
+  DCHECK(mapping_.empty());
+}
+
+void KeyedServiceFactory::SetTestingFactory(
+    base::SupportsUserData* context,
     TestingFactoryFunction testing_factory) {
   // Destroying the context may cause us to lose data about whether |context|
   // has our preferences registered on it (since the context object itself
   // isn't dead). See if we need to readd it once we've gone through normal
   // destruction.
   bool add_context = ArePreferencesSetOn(context);
 
 #ifndef NDEBUG
   // Ensure that |context| is not marked as stale (e.g., due to it aliasing an
   // instance that was destroyed in an earlier test) in order to avoid accesses
   // to |context| in |BrowserContextShutdown| from causing
   // |AssertBrowserContextWasntDestroyed| to raise an error.
   MarkContextLiveForTesting(context);
 #endif
 
   // We have to go through the shutdown and destroy mechanisms because there
   // are unit tests that create a service on a context and then change the
   // testing service mid-test.
-  BrowserContextShutdown(context);
-  BrowserContextDestroyed(context);
+  ContextShutdown(context);
+  ContextDestroyed(context);
 
   if (add_context)
     MarkPreferencesSetOn(context);
 
   testing_factories_[context] = testing_factory;
 }
 
-KeyedService* BrowserContextKeyedServiceFactory::SetTestingFactoryAndUse(
-    content::BrowserContext* context,
+KeyedService* KeyedServiceFactory::SetTestingFactoryAndUse(
+    base::SupportsUserData* context,
     TestingFactoryFunction testing_factory) {
   DCHECK(testing_factory);
   SetTestingFactory(context, testing_factory);
-  return GetServiceForBrowserContext(context, true);
+  return GetServiceForContext(context, true);
 }
 
-BrowserContextKeyedServiceFactory::BrowserContextKeyedServiceFactory(
-    const char* name,
-    BrowserContextDependencyManager* manager)
-    : BrowserContextKeyedBaseFactory(name, manager) {}
-
-BrowserContextKeyedServiceFactory::~BrowserContextKeyedServiceFactory() {
-  DCHECK(mapping_.empty());
-}
-
-KeyedService* BrowserContextKeyedServiceFactory::GetServiceForBrowserContext(
-    content::BrowserContext* context,
+KeyedService* KeyedServiceFactory::GetServiceForContext(
+    base::SupportsUserData* context,
     bool create) {
-  context = GetBrowserContextToUse(context);
+  context = GetContextToUse(context);
   if (!context)
-    return NULL;
+    return nullptr;
 
   // NOTE: If you modify any of the logic below, make sure to update the
   // refcounted version in refcounted_context_keyed_service_factory.cc!
-  BrowserContextKeyedServices::const_iterator it = mapping_.find(context);
+  const auto& it = mapping_.find(context);
   if (it != mapping_.end())
     return it->second;
 
   // Object not found.
   if (!create)
-    return NULL;  // And we're forbidden from creating one.
+    return nullptr;  // And we're forbidden from creating one.
 
   // Create new object.
-  // Check to see if we have a per-BrowserContext testing factory that we should
-  // use instead of default behavior.
-  KeyedService* service = NULL;
-  BrowserContextOverriddenTestingFunctions::const_iterator jt =
-      testing_factories_.find(context);
+  // Check to see if we have a per-context testing factory that we should use
+  // instead of default behavior.
+  KeyedService* service = nullptr;
+  const auto& jt = testing_factories_.find(context);
   if (jt != testing_factories_.end()) {
     if (jt->second) {
-      if (!context->IsOffTheRecord())
-        RegisterUserPrefsOnBrowserContextForTest(context);
+      if (!IsOffTheRecord(context))
+        RegisterUserPrefsOnContextForTest(context);
       service = jt->second(context);
     }
   } else {
     service = BuildServiceInstanceFor(context);
   }
 
   Associate(context, service);
   return service;
 }
 
-void BrowserContextKeyedServiceFactory::Associate(
-    content::BrowserContext* context,
-    KeyedService* service) {
+void KeyedServiceFactory::Associate(base::SupportsUserData* context,
+                                    KeyedService* service) {
   DCHECK(!ContainsKey(mapping_, context));
   mapping_.insert(std::make_pair(context, service));
 }
 
-void BrowserContextKeyedServiceFactory::Disassociate(
-    content::BrowserContext* context) {
-  BrowserContextKeyedServices::iterator it = mapping_.find(context);
+void KeyedServiceFactory::Disassociate(base::SupportsUserData* context) {
+  const auto& it = mapping_.find(context);
   if (it != mapping_.end()) {
     delete it->second;
     mapping_.erase(it);
   }
 }
 
-void BrowserContextKeyedServiceFactory::BrowserContextShutdown(
-    content::BrowserContext* context) {
-  BrowserContextKeyedServices::iterator it = mapping_.find(context);
+void KeyedServiceFactory::ContextShutdown(base::SupportsUserData* context) {
+  const auto& it = mapping_.find(context);
   if (it != mapping_.end() && it->second)
     it->second->Shutdown();
 }
 
-void BrowserContextKeyedServiceFactory::BrowserContextDestroyed(
-    content::BrowserContext* context) {
+void KeyedServiceFactory::ContextDestroyed(base::SupportsUserData* context) {
   Disassociate(context);
 
   // For unit tests, we also remove the factory function both so we don't
   // maintain a big map of dead pointers, but also since we may have a second
   // object that lives at the same address (see other comments about unit tests
   // in this file).
   testing_factories_.erase(context);
 
-  BrowserContextKeyedBaseFactory::BrowserContextDestroyed(context);
+  KeyedServiceBaseFactory::ContextDestroyed(context);
 }
 
-void BrowserContextKeyedServiceFactory::SetEmptyTestingFactory(
-    content::BrowserContext* context) {
-  SetTestingFactory(context, NULL);
+void KeyedServiceFactory::SetEmptyTestingFactory(
+    base::SupportsUserData* context) {
+  SetTestingFactory(context, nullptr);
 }
 
-bool BrowserContextKeyedServiceFactory::HasTestingFactory(
-    content::BrowserContext* context) {
+bool KeyedServiceFactory::HasTestingFactory(base::SupportsUserData* context) {
   return testing_factories_.find(context) != testing_factories_.end();
 }
 
-void BrowserContextKeyedServiceFactory::CreateServiceNow(
-    content::BrowserContext* context) {
-  GetServiceForBrowserContext(context, true);
+void KeyedServiceFactory::CreateServiceNow(base::SupportsUserData* context) {
+  GetServiceForContext(context, true);
 }