Detach the dependency from host_content_settings_map to extension.

chrome/browser/extensions/extension_service.cc

 // Copyright (c) 2013 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/extensions/extension_service.h"
 
 #include <algorithm>
 #include <iterator>
 #include <set>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time/time.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/content_settings/content_settings_custom_extension_provider.h"
+#include "chrome/browser/content_settings/content_settings_internal_extension_provider.h"
+#include "chrome/browser/content_settings/host_content_settings_map.h"
+#include "chrome/browser/extensions/api/content_settings/content_settings_service.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/data_deleter.h"
 #include "chrome/browser/extensions/extension_action_storage_manager.h"
 #include "chrome/browser/extensions/extension_assets_manager.h"
 #include "chrome/browser/extensions/extension_disabled_ui.h"
 #include "chrome/browser/extensions/extension_error_controller.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/extensions/extension_special_storage_policy.h"
 #include "chrome/browser/extensions/extension_sync_service.h"
@@ skipping 1877 matching lines @@
 
   if (!is_from_sync && extension_sync_service_)
     extension_sync_service_->SyncExtensionChangeIfNeeded(*extension);
 }
 
 const Extension* ExtensionService::GetPendingExtensionUpdate(
     const std::string& id) const {
   return delayed_installs_.GetByID(id);
 }
 
+void ExtensionService::RegisterContentSettings(
+    HostContentSettingsMap* host_content_settings_map) {
+  host_content_settings_map->RegisterProvider(
+      HostContentSettingsMap::INTERNAL_EXTENSION_PROVIDER,
+      scoped_ptr<content_settings::ObservableProvider>(
+          new content_settings::InternalExtensionProvider(this)));
+
+  host_content_settings_map->RegisterProvider(
+      HostContentSettingsMap::CUSTOM_EXTENSION_PROVIDER,
+      scoped_ptr<content_settings::ObservableProvider>(
+          new content_settings::CustomExtensionProvider(
+              extensions::ContentSettingsService::Get(
+                  profile_)->content_settings_store(),
+              profile_->GetOriginalProfile() != profile_)));
+}
+
 void ExtensionService::TrackTerminatedExtension(const Extension* extension) {
   // No need to check for duplicates; inserting a duplicate is a no-op.
   registry_->AddTerminated(make_scoped_refptr(extension));
   extensions_being_terminated_.erase(extension->id());
   UnloadExtension(extension->id(), UnloadedExtensionInfo::REASON_TERMINATE);
 }
 
 void ExtensionService::TerminateExtension(const std::string& extension_id) {
   const Extension* extension = GetInstalledExtension(extension_id);
   TrackTerminatedExtension(extension);
@@ skipping 426 matching lines @@
 }
 
 void ExtensionService::OnProfileDestructionStarted() {
   ExtensionIdSet ids_to_unload = registry_->enabled_extensions().GetIDs();
   for (ExtensionIdSet::iterator it = ids_to_unload.begin();
        it != ids_to_unload.end();
        ++it) {
     UnloadExtension(*it, UnloadedExtensionInfo::REASON_PROFILE_SHUTDOWN);
   }
 }