content: convert SSL notifications to observer usage

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 "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/process_util.h"
@@ skipping 220 matching lines @@
 
   virtual base::TerminationStatus GetCrashedStatus() const = 0;
 
   // Whether the tab is in the process of being destroyed.
   virtual bool IsBeingDestroyed() const = 0;
 
   // Convenience method for notifying the delegate of a navigation state
   // change. See InvalidateType enum.
   virtual void NotifyNavigationStateChanged(unsigned changed_flags) = 0;
 
+  // Method for notifying observers about visible SSL state change.
+  virtual void NotifyVisibleSSLStateChanged() = 0;

[jam, 2013/01/24 02:02:19]

chrome shouldn't have to call into content to notify itself of something.  so
the code in chrome that's calling this should do it a different way, and this
method shouldn't be public.

[Paweł Hajdan Jr., 2013/01/24 18:53:43]

Done.

+
   // Get the last time that the WebContents was made visible with WasShown()
   virtual base::TimeTicks GetLastSelectedTime() const = 0;
 
   // Invoked when the WebContents becomes shown/hidden.
   virtual void WasShown() = 0;
   virtual void WasHidden() = 0;
 
   // Returns true if the before unload and unload listeners need to be
   // fired. The value of this changes over time. For example, if true and the
   // before unload listener is executed and allows the user to exit, then this
@@ skipping 183 matching lines @@
   // is not resized to the given image_size. If 0 is passed, the first frame of
   // the image is returned.
   virtual int DownloadFavicon(const GURL& url, int image_size,
                               const FaviconDownloadCallback& callback) = 0;
 
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_