PlzNavigate: Move navigation-level mixed content checks to the browser.

chrome/browser/infobars/infobar_service.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_INFOBARS_INFOBAR_SERVICE_H_
 #define CHROME_BROWSER_INFOBARS_INFOBAR_SERVICE_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 36 matching lines @@
   // changes.
   void set_ignore_next_reload() { ignore_next_reload_ = true; }
 
   // InfoBarManager:
   // TODO(sdefresne): Change clients to invoke this on infobars::InfoBarManager
   // and turn the method override private.
   std::unique_ptr<infobars::InfoBar> CreateConfirmInfoBar(
       std::unique_ptr<ConfirmInfoBarDelegate> delegate) override;
   void OpenURL(const GURL& url, WindowOpenDisposition disposition) override;
 
+  // Message handlers.
+  void OnDidBlockDisplayingInsecureContent();
+
  private:
   friend class content::WebContentsUserData<InfoBarService>;
 
   explicit InfoBarService(content::WebContents* web_contents);
   ~InfoBarService() override;
 
   // InfoBarManager:
   int GetActiveEntryID() override;
   // TODO(droger): Remove these functions once infobar notifications are
   // removed. See http://crbug.com/354380
   void NotifyInfoBarAdded(infobars::InfoBar* infobar) override;
   void NotifyInfoBarRemoved(infobars::InfoBar* infobar, bool animate) override;
 
   // content::WebContentsObserver:
   void RenderProcessGone(base::TerminationStatus status) override;
   void DidStartNavigationToPendingEntry(
       const GURL& url,
       content::NavigationController::ReloadType reload_type) override;
   void NavigationEntryCommitted(
       const content::LoadCommittedDetails& load_details) override;
   void WebContentsDestroyed() override;
   bool OnMessageReceived(const IPC::Message& message) override;
 
-  // Message handlers.
-  void OnDidBlockDisplayingInsecureContent();
-
   // See description in set_ignore_next_reload().
   bool ignore_next_reload_;
 
   DISALLOW_COPY_AND_ASSIGN(InfoBarService);
 };
 
 #endif  // CHROME_BROWSER_INFOBARS_INFOBAR_SERVICE_H_