Update whitelist for Screen Capture API

chrome/browser/media/media_capture_devices_dispatcher.cc

Index: chrome/browser/media/media_capture_devices_dispatcher.cc
diff --git a/chrome/browser/media/media_capture_devices_dispatcher.cc b/chrome/browser/media/media_capture_devices_dispatcher.cc
index 23e7f31d1d27590053638c41fbc05b4f1b42ac20..f2edf00a231fde1fbe56424400b3c6a080cae2ee 100644
--- a/chrome/browser/media/media_capture_devices_dispatcher.cc
+++ b/chrome/browser/media/media_capture_devices_dispatcher.cc
@@ -49,8 +49,16 @@ const content::MediaStreamDevice* FindDefaultDeviceWithId(
 // TODO(sergeyu): Remove this whitelist as soon as possible.
 bool IsOriginWhitelistedForScreenCapture(const GURL& origin) {
 #if defined(OFFICIAL_BUILD)
-  return origin.spec() == "https://staging.talkgadget.google.com/" ||
-      origin.spec() == "https://plus.google.com/";
+  return
+      // Google Hangouts.
+      origin.spec() == "https://staging.talkgadget.google.com/" ||
+      origin.spec() == "https://plus.google.com/" ||
+      // CV.
+      origin.spec() == "chrome-extension://pkedcjkdefgpdelpbcmbmeomcjbeemfm/" ||
+      // CV Staging.
+      origin.spec() == "chrome-extension://fmfcbgogabcbclcofgocippekhfcmgfj/" ||
+      // CV Canary.
+      origin.spec() == "chrome-extension://hfaagokkkhdbgiakmmlclaapfelnkoah/";
 #else
   return false;
 #endif