Remove BrowserList::GetLastActive usage from WebUI pages.

chrome/browser/ui/webui/certificate_viewer_webui.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_WEBUI_CERTIFICATE_VIEWER_WEBUI_H_
 #define CHROME_BROWSER_UI_WEBUI_CERTIFICATE_VIEWER_WEBUI_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/observer_list.h"
 #include "base/values.h"
 #include "content/public/browser/web_ui_message_handler.h"
 #include "net/base/x509_certificate.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/web_dialogs/web_dialog_delegate.h"
 
+namespace content {
+class WebContents;
+}
+
 namespace ui {
 class WebDialogObserver;
 }
 
-// Displays the native or WebUI certificate viewer dialog for the given
-// certificate.
-void ShowCertificateViewer(gfx::NativeWindow parent,
-                           net::X509Certificate*);
-
 // Dialog for displaying detailed certificate information. This is used in linux
 // and chromeos builds to display detailed information in a floating dialog when
 // the user clicks on "Certificate Information" from the lock icon of a web site
 // or "View" from the Certificate Manager.
 class CertificateViewerDialog : private ui::WebDialogDelegate {
  public:
   // Construct a certificate viewer for the passed in certificate. A reference
   // to the certificate pointer is added for the lifetime of the certificate
   // viewer.
   explicit CertificateViewerDialog(net::X509Certificate* cert);
   virtual ~CertificateViewerDialog();
 
   // Show the dialog using the given parent window.
-  void Show(gfx::NativeWindow parent);
+  void Show(content::WebContents* web_contents, gfx::NativeWindow parent);
 
   // Add WebDialogObserver for this dialog.
   void AddObserver(ui::WebDialogObserver* observer);
 
   // Remove WebDialogObserver for this dialog.
   void RemoveObserver(ui::WebDialogObserver* observer);
 
  private:
   // Overridden from ui::WebDialogDelegate:
   virtual ui::ModalType GetDialogModalType() const OVERRIDE;
@@ skipping 60 matching lines @@
   // The dialog window.
   gfx::NativeWindow window_;
 
   // The certificate chain.
   net::X509Certificate::OSCertHandles cert_chain_;
 
   DISALLOW_COPY_AND_ASSIGN(CertificateViewerDialogHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CERTIFICATE_VIEWER_WEBUI_H_