Show ChromeVox caption panel when spoken feedback is enabled.

ash/default_accessibility_delegate.cc

 // Copyright 2013 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/default_accessibility_delegate.h"
 
 #include <limits>
 
+#include "ui/gfx/geometry/insets.h"
+
 namespace ash {
 
 DefaultAccessibilityDelegate::DefaultAccessibilityDelegate()
     : spoken_feedback_enabled_(false),
       high_contrast_enabled_(false),
       screen_magnifier_enabled_(false),
       screen_magnifier_type_(ui::kDefaultMagnifierType),
       large_cursor_enabled_(false),
       autoclick_enabled_(false),
       virtual_keyboard_enabled_(false),
@@ skipping 92 matching lines @@
   return accessibility_alert_;
 }
 
 void DefaultAccessibilityDelegate::PlayEarcon(int sound_key) {
 }
 
 base::TimeDelta DefaultAccessibilityDelegate::PlayShutdownSound() const {
   return base::TimeDelta();
 }
 
+void DefaultAccessibilityDelegate::ComputeWorkAreaInsets(
+    aura::Window* root_window,
+    gfx::Insets* out_insets) const {}
+
 }  // namespace ash