Remove ContentRulesRegistry dependence from RulesRegistryService.

chrome/browser/extensions/api/declarative/rules_registry_service.h

-// 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.
-
-#ifndef CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_RULES_REGISTRY_SERVICE_H__
-#define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_RULES_REGISTRY_SERVICE_H__
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/callback_forward.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_vector.h"
-#include "base/scoped_observer.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
-#include "extensions/browser/api/declarative/rules_registry.h"
-#include "extensions/browser/browser_context_keyed_api_factory.h"
-#include "extensions/browser/extension_registry_observer.h"
-
-namespace content {
-class BrowserContext;
-class NotificationSource;
-}
-
-namespace extensions {
-class ContentRulesRegistry;
-class ExtensionRegistry;
-class RulesRegistryStorageDelegate;
-}
-
-namespace extensions {
-
-// This class owns all RulesRegistries implementations of an ExtensionService.
-// This class lives on the UI thread.
-class RulesRegistryService : public BrowserContextKeyedAPI,
-                             public content::NotificationObserver,
-                             public ExtensionRegistryObserver {
- public:
-  typedef RulesRegistry::WebViewKey WebViewKey;
-  struct RulesRegistryKey {
-    std::string event_name;
-    WebViewKey webview_key;
-    RulesRegistryKey(const std::string event_name,
-                     const WebViewKey& webview_key)
-        : event_name(event_name),
-          webview_key(webview_key) {}
-    bool operator<(const RulesRegistryKey& other) const {
-      return (event_name < other.event_name) ||
-          ((event_name == other.event_name) &&
-          (webview_key < other.webview_key));
-    }
-  };
-
-  explicit RulesRegistryService(content::BrowserContext* context);
-  virtual ~RulesRegistryService();
-
-  // Unregisters refptrs to concrete RulesRegistries at other objects that were
-  // created by us so that the RulesRegistries can be released.
-  virtual void Shutdown() OVERRIDE;
-
-  // BrowserContextKeyedAPI implementation.
-  static BrowserContextKeyedAPIFactory<RulesRegistryService>*
-      GetFactoryInstance();
-
-  // Convenience method to get the RulesRegistryService for a context.
-  static RulesRegistryService* Get(content::BrowserContext* context);
-
-  // Registers the default RulesRegistries used in Chromium.
-  void EnsureDefaultRulesRegistriesRegistered(const WebViewKey& webview_key);
-
-  // Registers a RulesRegistry and wraps it in an InitializingRulesRegistry.
-  void RegisterRulesRegistry(scoped_refptr<RulesRegistry> rule_registry);
-
-  // Returns the RulesRegistry for |event_name| and |webview_key| or NULL if no
-  // such registry has been registered. Default rules registries (such as the
-  // WebRequest rules registry) will be created on first access.
-  scoped_refptr<RulesRegistry> GetRulesRegistry(const WebViewKey& webview_key,
-                                                const std::string& event_name);
-
-  // Accessors for each type of rules registry.
-  ContentRulesRegistry* content_rules_registry() const {
-    CHECK(content_rules_registry_);
-    return content_rules_registry_;
-  }
-
-  // Removes all rules registries of a given webview embedder process ID.
-  void RemoveWebViewRulesRegistries(int process_id);
-
-  // For testing.
-  void SimulateExtensionUninstalled(const std::string& extension_id);
-
- private:
-  friend class BrowserContextKeyedAPIFactory<RulesRegistryService>;
-
-  // Maps <event name, webview key> to RuleRegistries that handle these
-  // events.
-  typedef std::map<RulesRegistryKey, scoped_refptr<RulesRegistry> >
-      RulesRegistryMap;
-
-  // Implementation of content::NotificationObserver.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
-  // ExtensionRegistryObserver implementation.
-  virtual void OnExtensionLoaded(content::BrowserContext* browser_context,
-                                 const Extension* extension) OVERRIDE;
-  virtual void OnExtensionUnloaded(
-      content::BrowserContext* browser_context,
-      const Extension* extension,
-      UnloadedExtensionInfo::Reason reason) OVERRIDE;
-  virtual void OnExtensionUninstalled(
-      content::BrowserContext* browser_context,
-      const Extension* extension,
-      extensions::UninstallReason reason) OVERRIDE;
-
-  // Iterates over all registries, and calls |notification_callback| on them
-  // with |extension_id| as the argument. If a registry lives on a different
-  // thread, the call is posted to that thread, so no guarantee of synchronous
-  // processing.
-  void NotifyRegistriesHelper(
-      void (RulesRegistry::*notification_callback)(const std::string&),
-      const std::string& extension_id);
-
-  // BrowserContextKeyedAPI implementation.
-  static const char* service_name() {
-    return "RulesRegistryService";
-  }
-  static const bool kServiceHasOwnInstanceInIncognito = true;
-  static const bool kServiceIsNULLWhileTesting = true;
-
-  RulesRegistryMap rule_registries_;
-
-  // We own the parts of the registries which need to run on the UI thread.
-  ScopedVector<RulesCacheDelegate> cache_delegates_;
-
-  // Weak pointer into rule_registries_ to make it easier to handle content rule
-  // conditions.
-  ContentRulesRegistry* content_rules_registry_;
-
-  content::NotificationRegistrar registrar_;
-
-  // Listen to extension load, unloaded notification.
-  ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
-      extension_registry_observer_;
-
-  content::BrowserContext* browser_context_;
-
-  DISALLOW_COPY_AND_ASSIGN(RulesRegistryService);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_RULES_REGISTRY_SERVICE_H__