Patch AvatarMenuBubbleView crash; only SizeToContents if GetBubbleFrameView.

ui/views/bubble/bubble_delegate.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 "ui/views/bubble/bubble_delegate.h"
 
 #include "ui/base/animation/slide_animation.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/views/bubble/bubble_frame_view.h"
 #include "ui/views/widget/widget.h"
@@ skipping 261 matching lines @@
 #if defined(OS_WIN) && !defined(USE_AURA)
   border_widget_->SetBounds(GetBubbleBounds());
   GetWidget()->SetBounds(GetBubbleClientBounds());
 #else
   GetWidget()->SetBounds(GetBubbleBounds());
 #endif
 }
 
 BubbleFrameView* BubbleDelegateView::GetBubbleFrameView() const {
   const Widget* widget = border_widget_ ? border_widget_ : GetWidget();
-  return static_cast<BubbleFrameView*>(widget->non_client_view()->frame_view());
+  const NonClientView* view = widget ? widget->non_client_view() : NULL;
+  return view ? static_cast<BubbleFrameView*>(view->frame_view()) : NULL;
 }
 
 gfx::Rect BubbleDelegateView::GetBubbleBounds() {
   // The argument rect has its origin at the bubble's arrow anchor point;
   // its size is the preferred size of the bubble's client view (this view).
   return GetBubbleFrameView()->GetWindowBoundsForAnchorAndClientSize(
       GetAnchorRect(), GetPreferredSize());
 }
 
 #if defined(OS_WIN) && !defined(USE_AURA)
 gfx::Rect BubbleDelegateView::GetBubbleClientBounds() const {
   gfx::Rect client_bounds(GetBubbleFrameView()->GetBoundsForClientView());
   client_bounds.Offset(border_widget_->GetWindowScreenBounds().origin());
   return client_bounds;
 }
 #endif
 
 }  // namespace views