Chromecast: communicate HDMI-sink codec changes over IPC.

chromecast/common/chromecast_switches.cc

 // Copyright 2014 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 "chromecast/common/chromecast_switches.h"
 
 namespace switches {
 
 // Enable the CMA media pipeline.
 const char kEnableCmaMediaPipeline[] = "enable-cma-media-pipeline";
 
+// The bitmask of codecs (media_caps.h) supported by the current HDMI sink.
+const char kHdmiSinkSupportedCodecs[] = "hdmi-sink-supported-codecs";
+
 #if defined(OS_ANDROID)
 // Enable file accesses for debug.
 const char kEnableLocalFileAccesses[] = "enable-local-file-accesses";
 #endif  // defined(OS_ANDROID)
 
 // Override the URL to which metrics logs are sent for debugging.
 const char kOverrideMetricsUploadUrl[] = "override-metrics-upload-url";
 
 // Disable features that require WiFi management.
 const char kNoWifi[] = "no-wifi";
 
 // Pass the app id information to the renderer process, to be used for logging.
 // last-launched-app should be the app that just launched and is spawning the
 // renderer.
 const char kLastLaunchedApp[] = "last-launched-app";
 // previous-app should be the app that was running when last-launched-app
 // started.
 const char kPreviousApp[] = "previous-app";
 
 }  // namespace switches