Remove content dependencies from content settings providers.

chrome/browser/content_settings/content_settings_internal_extension_provider.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_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "components/content_settings/core/browser/content_settings_observable_provider.h"
 #include "components/content_settings/core/browser/content_settings_origin_identifier_value_map.h"
 #include "components/content_settings/core/common/content_settings.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class ExtensionService;
 
 namespace extensions {
 class Extension;
 }
 
 namespace content_settings {
 
 // A content settings provider which disables certain plugins for platform apps.
 class InternalExtensionProvider : public ObservableProvider,
-                            public content::NotificationObserver {
+                                  public content::NotificationObserver {
  public:
   explicit InternalExtensionProvider(ExtensionService* extension_service);
 
   virtual ~InternalExtensionProvider();
 
   // ProviderInterface methods:
   virtual RuleIterator* GetRuleIterator(
       ContentSettingsType content_type,
       const ResourceIdentifier& resource_identifier,
       bool incognito) const OVERRIDE;
@@ skipping 27 matching lines @@
   // Used around accesses to the |value_map_| list to guarantee thread safety.
   mutable base::Lock lock_;
   scoped_ptr<content::NotificationRegistrar> registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(InternalExtensionProvider);
 };
 
 }  // namespace content_settings
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_