Add support for virtual displays

ui/display/chromeos/apply_content_protection_task.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 "ui/display/chromeos/apply_content_protection_task.h"
 
 #include "ui/display/chromeos/display_layout_manager.h"
 #include "ui/display/types/display_snapshot.h"
 #include "ui/display/types/native_display_delegate.h"
 
@@ skipping 10 matching lines @@
         return false;
       // DisplayPort, DVI, and HDMI all support HDCP.
       case DISPLAY_CONNECTION_TYPE_DISPLAYPORT:
       case DISPLAY_CONNECTION_TYPE_DVI:
       case DISPLAY_CONNECTION_TYPE_HDMI:
         hdcp_capable_displays->push_back(display);
         break;
       case DISPLAY_CONNECTION_TYPE_INTERNAL:
       case DISPLAY_CONNECTION_TYPE_VGA:
       case DISPLAY_CONNECTION_TYPE_NETWORK:
+      case DISPLAY_CONNECTION_TYPE_VIRTUAL:
         // No protections for these types. Do nothing.
         break;
       case DISPLAY_CONNECTION_TYPE_NONE:
         NOTREACHED();
         break;
     }
   }
 
   return true;
 }
@@ skipping 122 matching lines @@
   } else {
     auto it = requests_.find(display_id);
     if (it != requests_.end())
       desired_mask = it->second;
   }
 
   return desired_mask;
 }
 
 }  // namespace ui