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

chrome/browser/ui/browser.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_UI_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 312 matching lines @@
   DownloadClosePreventionType OkToCloseWithInProgressDownloads(
       int* num_downloads_blocking) const;
 
   // Tab adding/showing functions /////////////////////////////////////////////
 
   // Invoked when the fullscreen state of the window changes.
   // BrowserWindow::EnterFullscreen invokes this after the window has become
   // fullscreen.
   void WindowFullscreenStateChanged();
 
+  // Invoked when visible SSL state (as defined by SSLStatus) changes.
+  void VisibleSSLStateChanged(content::WebContents* web_contents);
+
   // Assorted browser commands ////////////////////////////////////////////////
 
   // NOTE: Within each of the following sections, the IDs are ordered roughly by
   // how they appear in the GUI/menus (left to right, top to bottom, etc.).
 
   // See the description of
   // FullscreenController::ToggleFullscreenModeWithExtension.
   void ToggleFullscreenModeWithExtension(const GURL& extension_url);
 #if defined(OS_WIN)
   // See the description of FullscreenController::ToggleMetroSnapMode.
@@ skipping 578 matching lines @@
   bool window_has_shown_;
 
   // Currently open color chooser. Non-NULL after OpenColorChooser is called and
   // before DidEndColorChooser is called.
   scoped_ptr<content::ColorChooser> color_chooser_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_