Reland of Trigger Dangerous indicator for unsafe subresources

content/public/browser/web_contents.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_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 412 matching lines @@
   // TODO(creis): We should run the beforeunload handler for every frame that
   // has one.
   virtual void DispatchBeforeUnload() = 0;
 
   // Attaches this inner WebContents to its container frame
   // |outer_contents_frame| in |outer_web_contents|.
   virtual void AttachToOuterWebContentsFrame(
       WebContents* outer_web_contents,
       RenderFrameHost* outer_contents_frame) = 0;
 
+  // Invoked when visible security state changes.
+  virtual void DidChangeVisibleSecurityState() = 0;
+
   // Commands ------------------------------------------------------------------
 
   // Stop any pending navigation.
   virtual void Stop() = 0;
 
   // Creates a new WebContents with the same state as this one. The returned
   // heap-allocated pointer is owned by the caller.
   virtual WebContents* Clone() = 0;
 
   // Reloads the focused frame.
@@ skipping 318 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class WebContentsImpl;
   WebContents() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_