Remove ContentRulesRegistry dependence from RulesRegistryService.

extensions/browser/api/declarative_content/content_rules_registry.h

+// Copyright (c) 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.
+
+#ifndef EXTENSIONS_BROWSER_API_DECLARATIVE_CONTENT_CONTENT_RULES_REGISTRY_H__
+#define EXTENSIONS_BROWSER_API_DECLARATIVE_CONTENT_CONTENT_RULES_REGISTRY_H__
+
+#include <string>
+
+#include "content/public/browser/browser_thread.h"
+#include "extensions/browser/api/declarative/rules_registry.h"
+
+namespace content {
+class BrowserContext;
+class WebContents;
+struct FrameNavigateParams;
+struct LoadCommittedDetails;
+}
+
+namespace extensions {
+
+// This class acts as an //extensions-side interface for ContentRulesRegistry
+// to allow RulesRegistryService to be moved to //extensions.
+// TODO(wjmaclean): Remove this once ContentRulesRegistry moves to
+// //extensions.
+class ContentRulesRegistry : public RulesRegistry {
+ public:
+  ContentRulesRegistry(content::BrowserContext* browser_context,
+                       const std::string& event_name,
+                       content::BrowserThread::ID owner_thread,
+                       RulesCacheDelegate* cache_delegate,
+                       const WebViewKey& webview_key)
+      : RulesRegistry(browser_context,
+                      event_name,
+                      owner_thread,
+                      cache_delegate,
+                      webview_key) {}
+
+  // Applies all content rules given an update (CSS match change or
+  // page navigation, for now) from the renderer.
+  virtual void Apply(
+      content::WebContents* contents,
+      const std::vector<std::string>& matching_css_selectors) = 0;
+
+  // Applies all content rules given that a tab was just navigated.
+  virtual void DidNavigateMainFrame(
+      content::WebContents* tab,
+      const content::LoadCommittedDetails& details,
+      const content::FrameNavigateParams& params) = 0;
+
+ protected:
+  virtual ~ContentRulesRegistry() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ContentRulesRegistry);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_API_DECLARATIVE_CONTENT_CONTENT_RULES_REGISTRY_H__