Remove hung renderer dialog black border.

chrome/browser/ui/views/hung_renderer_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/hung_renderer_view.h"
 
 #if defined(OS_WIN) && !defined(USE_AURA)
 #include <windows.h>
 #endif
 
@@ skipping 173 matching lines @@
 
 // Padding space in pixels between frozen icon to the info label, hung pages
 // list table view and the Kill pages button.
 static const int kCentralColumnPadding =
     views::kUnrelatedControlLargeHorizontalSpacing;
 
 ///////////////////////////////////////////////////////////////////////////////
 // HungRendererDialogView, public:
 
 // static
-HungRendererDialogView* HungRendererDialogView::Create() {
+HungRendererDialogView* HungRendererDialogView::Create(
+    gfx::NativeView context) {
   if (!g_instance_) {
     g_instance_ = new HungRendererDialogView;
-    views::Widget::CreateWindow(g_instance_);
+    views::DialogDelegate::CreateDialogWidget(g_instance_, context, NULL);
   }
   return g_instance_;
 }
 
 // static
 HungRendererDialogView* HungRendererDialogView::GetInstance() {
   return g_instance_;
 }
 
 // static
@@ skipping 227 matching lines @@
     frozen_icon_ = rb.GetImageSkiaNamed(IDR_FROZEN_TAB_ICON);
     initialized = true;
   }
 }
 
 namespace chrome {
 
 void ShowHungRendererDialog(WebContents* contents) {
   if (!logging::DialogsAreSuppressed() &&
       !PlatformShowCustomHungRendererDialog(contents)) {
-    HungRendererDialogView* view = HungRendererDialogView::Create();
+    HungRendererDialogView* view = HungRendererDialogView::Create(
+        platform_util::GetTopLevel(contents->GetView()->GetNativeView()));
     view->ShowForWebContents(contents);
   }
 }
 
 void HideHungRendererDialog(WebContents* contents) {
   if (!logging::DialogsAreSuppressed() &&
       !PlatformHideCustomHungRendererDialog(contents) &&
       HungRendererDialogView::GetInstance())
     HungRendererDialogView::GetInstance()->EndForWebContents(contents);
 }
 
 }  // namespace chrome