Introduce browser-side plumbing for sending the lock icon status to DevTools.

content/public/browser/web_contents_delegate.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_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_
 
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/navigation_type.h"
 #include "content/public/common/media_stream_request.h"
+#include "content/public/common/security_style.h"
 #include "content/public/common/window_container_type.h"
 #include "third_party/WebKit/public/platform/WebDisplayMode.h"
 #include "third_party/WebKit/public/web/WebDragOperation.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/window_open_disposition.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/native_widget_types.h"
 
 class GURL;
 
@@ skipping 450 matching lines @@
   virtual void MoveValidationMessage(WebContents* web_contents,
                                      const gfx::Rect& anchor_in_root_view) {}
 
   // Returns true if the WebContents is never visible.
   virtual bool IsNeverVisible(WebContents* web_contents);
 
   // Called in response to a request to save a frame. If this returns true, the
   // default behavior is suppressed.
   virtual bool SaveFrame(const GURL& url, const Referrer& referrer);
 
+  // Can be overridden by a delegate to return the security style of the given
+  // web contents. Returns SECURITY_STYLE_UNKNOWN if not overriden.
+  virtual SecurityStyle GetSecurityStyle(const WebContents* web_contents);
+
  protected:
   virtual ~WebContentsDelegate();
 
  private:
   friend class WebContentsImpl;
 
   // Called when |this| becomes the WebContentsDelegate for |source|.
   void Attach(WebContents* source);
 
   // Called when |this| is no longer the WebContentsDelegate for |source|.
   void Detach(WebContents* source);
 
   // The WebContents that this is currently a delegate for.
   std::set<WebContents*> attached_contents_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_