Add initial support for runtime permissions in android M.

chrome/browser/media/media_stream_infobar_delegate.cc

Index: chrome/browser/media/media_stream_infobar_delegate.cc
diff --git a/chrome/browser/media/media_stream_infobar_delegate.cc b/chrome/browser/media/media_stream_infobar_delegate.cc
index 6cc451b73c3af758665e3d433523279db6b9c3a3..c9079fefc4b3c930a68aa29313a75908770211c2 100644
--- a/chrome/browser/media/media_stream_infobar_delegate.cc
+++ b/chrome/browser/media/media_stream_infobar_delegate.cc
@@ -66,6 +66,14 @@ bool MediaStreamInfoBarDelegate::Create(
   return true;
 }
 
+bool MediaStreamInfoBarDelegate::IsRequestingVideoAccess() {
+  return controller_->HasVideo();
+}
+
+bool MediaStreamInfoBarDelegate::IsRequestingMicrophoneAccess() {
+  return controller_->HasAudio();
+}
+
 MediaStreamInfoBarDelegate::MediaStreamInfoBarDelegate(
     scoped_ptr<MediaStreamDevicesController> controller)
     : ConfirmInfoBarDelegate(),