Convert extensions::TabHelper to use the new navigation callbacks.

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 "base/macros.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/browser/api/declarative/rules_registry.h"
 
 namespace content {
 class BrowserContext;
+class NavigationHandle;
 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.
 //
 // Note: when dealing with WebContents associated with OffTheRecord contexts,
@@ skipping 11 matching lines @@
       : RulesRegistry(browser_context,
                       event_name,
                       owner_thread,
                       cache_delegate,
                       rules_registry_id) {}
 
   // Notifies the registry that it should evaluate rules for |contents|.
   virtual void MonitorWebContentsForRuleEvaluation(
       content::WebContents* contents) = 0;
 
   // Applies all content rules given that a tab was just navigated.

[Devlin, 2017/02/01 23:18:22]

nit: while you're here, mind adding something like:
// This corresponds to the notification of the same name in
// content::WebContentsObserver.
?

[jam, 2017/02/01 23:48:49]

Done.

-  virtual void DidNavigateMainFrame(
+  virtual void DidFinishNavigation(
       content::WebContents* tab,
-      const content::LoadCommittedDetails& details,
-      const content::FrameNavigateParams& params) = 0;
+      content::NavigationHandle* navigation_handle) = 0;
 
  protected:
   ~ContentRulesRegistry() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ContentRulesRegistry);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_DECLARATIVE_CONTENT_CONTENT_RULES_REGISTRY_H__