Mac video: Add blacklist entry for AVSampleBufferDisplayLayer

ui/accelerated_widget_mac/ca_layer_tree_coordinator.h

 // 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.
 
 #ifndef UI_ACCELERATED_WIDGET_MAC_CA_LAYER_TREE_HOST_H_
 #define UI_ACCELERATED_WIDGET_MAC_CA_LAYER_TREE_HOST_H_
 
 #include "ui/accelerated_widget_mac/accelerated_widget_mac_export.h"
 #include "ui/accelerated_widget_mac/ca_renderer_layer_tree.h"
 #include "ui/accelerated_widget_mac/gl_renderer_layer_tree.h"
 
 namespace ui {
 
 // A structure that holds the tree of CALayers to display composited content.
 // The CALayer tree may consist of a GLRendererLayerTree if the OpenGL renderer
 // is being used, or a CARendererLayerTree if the CoreAnimation renderer is
 // being used.
 //
 // This is instantiated in the GPU process and sent to the browser process via
 // the cross-process CoreAnimation API. This is intended to be moved entirely
 // to the browser process in https://crbug.com/604052.
 class ACCELERATED_WIDGET_MAC_EXPORT CALayerTreeCoordinator {
  public:
-  explicit CALayerTreeCoordinator(bool allow_remote_layers);
+  explicit CALayerTreeCoordinator(bool allow_remote_layers,
+                                  bool allow_av_sample_buffer_display_layer);
   ~CALayerTreeCoordinator();
 
   // Set the composited frame's size.
   void Resize(const gfx::Size& pixel_size, float scale_factor);
 
   // Set the OpenGL backbuffer to which the pending frame was rendered. This is
   // used to draw frames created by the OpenGL renderer.
   bool SetPendingGLRendererBackbuffer(
       base::ScopedCFTypeRef<IOSurfaceRef> backbuffer);
 
@@ skipping 14 matching lines @@
 
   // Get the CALayer to display fullscreen low power content. This does not
   // change over the lifetime of the object.
   CALayer* GetFullscreenLowPowerLayerForDisplay() const;
 
   // Get the current frame's OpenGL backbuffer IOSurface. This is only needed
   // when not using remote layers.
   IOSurfaceRef GetIOSurfaceForDisplay();
 
  private:
-  bool allow_remote_layers_ = true;
+  const bool allow_remote_layers_ = true;
+  const bool allow_av_sample_buffer_display_layer_ = true;
   gfx::Size pixel_size_;
   float scale_factor_ = 1;
 
   base::scoped_nsobject<CALayer> root_ca_layer_;
   base::scoped_nsobject<AVSampleBufferDisplayLayer> fullscreen_low_power_layer_;
 
   // Frame that has been scheduled, but has not had a subsequent commit call
   // made yet.
   std::unique_ptr<GLRendererLayerTree> pending_gl_renderer_layer_tree_;
   std::unique_ptr<CARendererLayerTree> pending_ca_renderer_layer_tree_;
 
   // Frame that is currently being displayed on the screen.
   std::unique_ptr<GLRendererLayerTree> current_gl_renderer_layer_tree_;
   std::unique_ptr<CARendererLayerTree> current_ca_renderer_layer_tree_;
   bool current_fullscreen_low_power_layer_valid_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(CALayerTreeCoordinator);
 };
 
 }  // namespace ui
 
 #endif  // UI_ACCELERATED_WIDGET_MAC_CA_LAYER_TREE_HOST_H_