Show interstitial from ManagedModeNavigationObserver instead of ManagedModeResourceThrottle.

chrome/browser/managed_mode/managed_mode_interstitial.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_MANAGED_MODE_MANAGED_MODE_INTERSTITIAL_H_
 #define CHROME_BROWSER_MANAGED_MODE_MANAGED_MODE_INTERSTITIAL_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 10 matching lines @@
 // Delegate for an interstitial page when a page is blocked in managed mode
 // because it is not on any whitelist. It lets an authorized user preview the
 // blocked page, to decide later whether to manually allow it.
 class ManagedModeInterstitial : public content::InterstitialPageDelegate {
  public:
   ManagedModeInterstitial(content::WebContents* web_contents,
                           const GURL& url,
                           const base::Callback<void(bool)>& callback);
   virtual ~ManagedModeInterstitial();
 
-  // Should be called on the IO thread.
-  // |render_process_host_id| and |render_view_id| identify the WebContents
-  // where the request was blocked. |url| is the URL that was blocked.
-  // |callback| should be called with the result (whether to allow the request
-  // or not).
-  static void ShowInterstitial(int render_process_host_id,
-                               int render_view_id,
-                               const GURL& url,
-                               const base::Callback<void(bool)>& callback);
-
  private:
   void GoToNewTabPage();
 
   // InterstitialPageDelegate implementation.
   virtual std::string GetHTMLContents() OVERRIDE;
   virtual void CommandReceived(const std::string& command) OVERRIDE;
   virtual void OnProceed() OVERRIDE;
   virtual void OnDontProceed() OVERRIDE;
 
   // Will be called when the passphrase dialog is closed, which is shown after
   // clicking the preview button.
   void OnAuthorizationResult(bool success);
-  void DispatchContinueRequest(bool continue_request);
 
   // Owns the interstitial, which owns us.
   content::WebContents* web_contents_;
 
   content::InterstitialPage* interstitial_page_;  // Owns us.
 
   // The UI language. Used for formatting the URL for display.
   std::string languages_;
   GURL url_;
 
   base::WeakPtrFactory<ManagedModeInterstitial> weak_ptr_factory_;
   base::Callback<void(bool)> callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ManagedModeInterstitial);
 };
 
 #endif  // CHROME_BROWSER_MANAGED_MODE_MANAGED_MODE_INTERSTITIAL_H_