content: convert SSL notifications to observer usage (take 2)

content/browser/web_contents/web_contents_impl.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_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 160 matching lines @@
   // Returns embedder browser plugin object, or NULL if this WebContents is not
   // an embedder.
   BrowserPluginEmbedder* GetBrowserPluginEmbedder() const;
 
   // Gets the current fullscreen render widget's routing ID. Returns
   // MSG_ROUTING_NONE when there is no fullscreen render widget.
   int GetFullscreenWidgetRoutingID() const;
 
   void DidBlock3DAPIs(const GURL& url, ThreeDAPIType requester);
 
+  // Invoked when visible SSL state (as defined by SSLStatus) changes.
+  void DidChangeVisibleSSLState();
+
   // WebContents ------------------------------------------------------
   virtual WebContentsDelegate* GetDelegate() OVERRIDE;
   virtual void SetDelegate(WebContentsDelegate* delegate) OVERRIDE;
   virtual NavigationControllerImpl& GetController() OVERRIDE;
   virtual const NavigationControllerImpl& GetController() const OVERRIDE;
   virtual BrowserContext* GetBrowserContext() const OVERRIDE;
   virtual RenderProcessHost* GetRenderProcessHost() const OVERRIDE;
   virtual RenderViewHost* GetRenderViewHost() const OVERRIDE;
   virtual void GetRenderViewHostAtPosition(
       int x,
@@ skipping 696 matching lines @@
   // Maps the ids of pending favicon downloads to their callbacks
   typedef std::map<int, FaviconDownloadCallback> FaviconDownloadMap;
   FaviconDownloadMap favicon_download_map_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_