Introduce a content settings provider interface.

chrome/browser/content_settings/mock_content_settings_provider.h

Index: chrome/browser/content_settings/mock_content_settings_provider.h
diff --git a/chrome/browser/content_settings/mock_content_settings_provider.h b/chrome/browser/content_settings/mock_content_settings_provider.h
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+// Copyright (c) 2010 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_MOCK_CONTENT_SETTINGS_PROVIDER_H_
+#define CHROME_BROWSER_CONTENT_SETTINGS_MOCK_CONTENT_SETTINGS_PROVIDER_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "chrome/browser/content_settings/content_settings_provider.h"
+
+class MockContentSettingsProvider : public ContentSettingsProviderInterface {
+ public:
+  // Create a content settings provider that provides a given setting for a
+  // given type.
+  MockContentSettingsProvider(ContentSettingsType content_type,
+                              ContentSetting setting,
+                              bool is_managed,
+                              bool can_override);
+  virtual ~MockContentSettingsProvider();
+
+  // ContentSettingsProviderInterface implementation.
+  virtual bool CanProvideDefaultSetting(ContentSettingsType content_type);
+  virtual ContentSetting ProvideDefaultSetting(
+      ContentSettingsType content_type);
+  virtual void UpdateDefaultSetting(ContentSettingsType content_type,
+                                    ContentSetting setting);
+  virtual bool DefaultSettingIsManaged(ContentSettingsType content_type);
+
+ private:
+  ContentSettingsType content_type_;
+  ContentSetting setting_;
+  bool is_managed_;
+  bool can_override_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockContentSettingsProvider);
+};
+
+#endif  // CHROME_BROWSER_CONTENT_SETTINGS_MOCK_CONTENT_SETTINGS_PROVIDER_H_