Expand SecurityStyleChanged interfaces to include explanations

content/public/browser/web_contents_observer.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 CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_OBSERVER_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_OBSERVER_H_
 
 #include "base/process/kill.h"
 #include "base/process/process_handle.h"
 #include "content/common/content_export.h"
@@ skipping 159 matching lines @@
       const LoadCommittedDetails& details,
       const FrameNavigateParams& params) {}
 
   // And regardless of what frame navigated, this method is invoked after
   // DidCommitProvisionalLoadForFrame was invoked.
   virtual void DidNavigateAnyFrame(
       RenderFrameHost* render_frame_host,
       const LoadCommittedDetails& details,
       const FrameNavigateParams& params) {}
 
-  // This method is invoked when the SecurityStyle of the WebContents changes.
-  virtual void SecurityStyleChanged(content::SecurityStyle security_style) {}
+  // This method is invoked when the SecurityStyle of the WebContents
+  // changes. |security_style| is the new
+  // SecurityStyle. |security_style_explanation| contains human-readable
+  // strings explaining why the SecurityStyle of the page has been
+  // downgraded.
+  virtual void SecurityStyleChanged(
+      SecurityStyle security_style,
+      const SecurityStyleExplanation& security_style_explanation) {}
 
   // This method is invoked once the window.document object of the main frame
   // was created.
   virtual void DocumentAvailableInMainFrame() {}
 
   // This method is invoked once the onload handler of the main frame has
   // completed.
   virtual void DocumentOnLoadCompletedInMainFrame() {}
 
   // This method is invoked when the document in the given frame finished
@@ skipping 203 matching lines @@
   void ResetWebContents();
 
   WebContentsImpl* web_contents_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsObserver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_OBSERVER_H_