Block incognito browser windows for voice interaction.

chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_framework_service.h

 // Copyright 2017 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_ARC_VOICE_INTERACTION_ARC_VOICE_INTERACTION_FRAMEWORK_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_ARC_VOICE_INTERACTION_ARC_VOICE_INTERACTION_FRAMEWORK_SERVICE_H_
 
 #include <memory>
 
 #include "base/macros.h"
 #include "components/arc/arc_service.h"
 #include "components/arc/common/voice_interaction_framework.mojom.h"
 #include "components/arc/instance_holder.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "ui/base/accelerators/accelerator.h"
 
+namespace gfx {
+class Image;
+}  // gfx
+
+namespace ui {
+class LayerTreeOwner;
+}  // namespace ui
+
 namespace arc {
 
 // This provides voice interaction context (currently screenshots)
 // to ARC to be used by VoiceInteractionSession. This class lives on the UI
 // thread.
 class ArcVoiceInteractionFrameworkService
     : public ArcService,
       public mojom::VoiceInteractionFrameworkHost,
       public ui::AcceleratorTarget,
       public InstanceHolder<
@@ skipping 11 matching lines @@
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
   bool CanHandleAccelerators() const override;
 
   // mojom::VoiceInteractionFrameworkHost overrides.
   void CaptureFocusedWindow(
       const CaptureFocusedWindowCallback& callback) override;
   void CaptureFullscreen(const CaptureFullscreenCallback& callback) override;
   void OnMetalayerClosed() override;
   void SetMetalayerEnabled(bool enabled) override;
 
+  void EncodeAndReturnImage(const CaptureFullscreenCallback& callback,
+                            const gfx::Image& image);
+
   bool IsMetalayerSupported();
   void ShowMetalayer(const base::Closure& closed);
   void HideMetalayer();
 
   // For supporting ArcServiceManager::GetService<T>().
   static const char kArcServiceName[];
 
  private:
   void SetMetalayerVisibility(bool visible);
 
   mojo::Binding<mojom::VoiceInteractionFrameworkHost> binding_;
   base::Closure metalayer_closed_callback_;
   bool metalayer_enabled_ = false;
+  std::unique_ptr<ui::LayerTreeOwner> old_layer_owner_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcVoiceInteractionFrameworkService);
 };
 
 }  // namespace arc
 #endif  // CHROME_BROWSER_CHROMEOS_ARC_VOICE_INTERACTION_ARC_VOICE_INTERACTION_FRAMEWORK_SERVICE_H_