Implement ChromeVox Next menus.

chrome/browser/chromeos/accessibility/chromevox_panel.cc

 // Copyright 2015 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 "ash/shelf/shelf_layout_manager.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "base/macros.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 #include "chrome/browser/chromeos/accessibility/chromevox_panel.h"
@@ skipping 93 matching lines @@
 }
 
 void ChromeVoxPanel::DidFirstVisuallyNonEmptyPaint() {
   widget_->Show();
   ash::ShelfLayoutManager::ForShelf(GetRootWindow())
       ->SetChromeVoxPanelHeight(kPanelHeight);
 }
 
 void ChromeVoxPanel::EnterFullscreen() {
   fullscreen_ = true;
+  widget_->widget_delegate()->set_can_activate(true);
+  widget_->Activate();
+  web_view_->RequestFocus();
   UpdateWidgetBounds();
 }
 
 void ChromeVoxPanel::ExitFullscreen() {
+  widget_->widget_delegate()->set_can_activate(false);
   fullscreen_ = false;
   UpdateWidgetBounds();
 }
 
 void ChromeVoxPanel::DisableSpokenFeedback() {
   chromeos::AccessibilityManager::Get()->EnableSpokenFeedback(
       false, ui::A11Y_NOTIFICATION_NONE);
 }
 
 const views::Widget* ChromeVoxPanel::GetWidget() const {
@@ skipping 16 matching lines @@
                                              uint32_t changed_metrics) {
   UpdateWidgetBounds();
 }
 
 void ChromeVoxPanel::UpdateWidgetBounds() {
   gfx::Rect bounds(GetRootWindow()->bounds().size());
   if (!fullscreen_)
     bounds.set_height(kPanelHeight);
   widget_->SetBounds(bounds);
 }