Showing Task manager on the foreground window.

chrome/browser/ui/panels/panel.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/ui/panels/panel.h"
 
 #include "base/logging.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 293 matching lines @@
 }
 
 void Panel::ShowThemeInstallBubble() {
   NOTIMPLEMENTED();
 }
 
 void Panel::ConfirmBrowserCloseWithPendingDownloads() {
   NOTIMPLEMENTED();
 }
 
-void Panel::ShowHTMLDialog(HtmlDialogUIDelegate* delegate,
-                           gfx::NativeWindow parent_window) {
+gfx::NativeWindow Panel::ShowHTMLDialog(HtmlDialogUIDelegate* delegate,
+                                        gfx::NativeWindow parent_window) {
   NOTIMPLEMENTED();
+  return NULL;
 }
 
 void Panel::UserChangedTheme() {
   native_panel_->NotifyPanelOnUserChangedTheme();
 }
 
 int Panel::GetExtraRenderViewHeight() const {
   NOTIMPLEMENTED();
   return -1;
 }
@@ skipping 100 matching lines @@
 }
 #endif
 
 Browser* Panel::browser() const {
   return native_panel_->GetPanelBrowser();
 }
 
 void Panel::DestroyBrowser() {
   native_panel_->DestroyPanelBrowser();
 }