[chrome.displaySource][WiFi Display] Video formats capability negotiation

extensions/renderer/api/display_source/wifi_display/wifi_display_media_manager.h

Index: extensions/renderer/api/display_source/wifi_display/wifi_display_media_manager.h
diff --git a/extensions/renderer/api/display_source/wifi_display/wifi_display_media_manager.h b/extensions/renderer/api/display_source/wifi_display/wifi_display_media_manager.h
index 6b64547641bf7d9b5a73490d6f61b836a12a794b..e9888cfa641a55d168f4e4e8769025c7a4d52844 100644
--- a/extensions/renderer/api/display_source/wifi_display/wifi_display_media_manager.h
+++ b/extensions/renderer/api/display_source/wifi_display/wifi_display_media_manager.h
@@ -5,14 +5,22 @@
 #ifndef EXTENSIONS_BROWSER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_MEDIA_MANAGER_H_
 #define EXTENSIONS_BROWSER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_MEDIA_MANAGER_H_
 
+#include "base/callback.h"
 #include "base/macros.h"
+#include "third_party/WebKit/public/web/WebDOMMediaStreamTrack.h"
 #include "third_party/wds/src/libwds/public/media_manager.h"
 
 namespace extensions {
 
 class WiFiDisplayMediaManager : public wds::SourceMediaManager {
  public:
-  WiFiDisplayMediaManager();
+  using ErrorCallback = base::Callback<void(const std::string&)>;
+
+  WiFiDisplayMediaManager(
+      const blink::WebMediaStreamTrack& video_track,
+      const blink::WebMediaStreamTrack& audio_track,
+      const ErrorCallback& error_callback);
+
   ~WiFiDisplayMediaManager() override;
 
  private:
@@ -39,6 +47,15 @@ class WiFiDisplayMediaManager : public wds::SourceMediaManager {
 
   std::string GetSessionId() const override;
 
+ private:
+  blink::WebMediaStreamTrack video_track_;
+  blink::WebMediaStreamTrack audio_track_;
+
+  std::pair<int,int> sink_rtp_ports_;
+  wds::H264VideoFormat optimal_video_format_;
+
+  ErrorCallback error_callback_;
+
   DISALLOW_COPY_AND_ASSIGN(WiFiDisplayMediaManager);
 };