Fix rtl shelf overflow bubble

ui/views/bubble/bubble_dialog_delegate.cc

 // Copyright 2016 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_dialog_delegate.h"
 
 #include "build/build_config.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/color_utils.h"
@@ skipping 88 matching lines @@
 
 NonClientFrameView* BubbleDialogDelegateView::CreateNonClientFrameView(
     Widget* widget) {
   BubbleFrameView* frame = new BubbleFrameView(
       gfx::Insets(kPanelVertMargin, kPanelHorizMargin, 0, kPanelHorizMargin),
       margins());
   // Note: In CreateBubble, the call to SizeToContents() will cause
   // the relayout that this call requires.
   frame->SetTitleFontList(GetTitleFontList());
   frame->SetFootnoteView(CreateFootnoteView());
+  frame->set_mirror_arrow_in_rtl(mirror_arrow_in_rtl_);
 
   BubbleBorder::Arrow adjusted_arrow = arrow();
-  if (base::i18n::IsRTL())
+  if (base::i18n::IsRTL() && mirror_arrow_in_rtl_)
     adjusted_arrow = BubbleBorder::horizontal_mirror(adjusted_arrow);
   frame->SetBubbleBorder(std::unique_ptr<BubbleBorder>(
       new BubbleBorder(adjusted_arrow, shadow(), color())));
   return frame;
 }
 
 void BubbleDialogDelegateView::GetAccessibleState(ui::AXViewState* state) {
   state->role = ui::AX_ROLE_DIALOG;
 }
 
@@ skipping 76 matching lines @@
 
 BubbleDialogDelegateView::BubbleDialogDelegateView()
     : BubbleDialogDelegateView(nullptr, BubbleBorder::TOP_LEFT) {}
 
 BubbleDialogDelegateView::BubbleDialogDelegateView(View* anchor_view,
                                                    BubbleBorder::Arrow arrow)
     : close_on_deactivate_(true),
       anchor_view_storage_id_(ViewStorage::GetInstance()->CreateStorageID()),
       anchor_widget_(NULL),
       arrow_(arrow),
+      mirror_arrow_in_rtl_(true),
       shadow_(BubbleBorder::SMALL_SHADOW),
       color_explicitly_set_(false),
       margins_(kPanelVertMargin,
                kPanelHorizMargin,
                kPanelVertMargin,
                kPanelHorizMargin),
       accept_events_(true),
       border_accepts_events_(true),
       adjust_if_offscreen_(true),
       parent_window_(NULL) {
@@ skipping 92 matching lines @@
   // http://crbug.com/474622 for details.
   if (widget == GetWidget() && visible) {
     ui::AXViewState state;
     GetAccessibleState(&state);
     if (state.role == ui::AX_ROLE_ALERT_DIALOG)
       NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
   }
 }
 
 }  // namespace views