app_shell: Allow getUserMedia to select a capture device by id

extensions/shell/browser/shell_extension_host_delegate.cc

Index: extensions/shell/browser/shell_extension_host_delegate.cc
diff --git a/extensions/shell/browser/shell_extension_host_delegate.cc b/extensions/shell/browser/shell_extension_host_delegate.cc
index 02a743b5ce2846836f00b61914106e0bdb18f4e1..0053c64f0f43a02a5a0751cdcc774967f9d3dfc9 100644
--- a/extensions/shell/browser/shell_extension_host_delegate.cc
+++ b/extensions/shell/browser/shell_extension_host_delegate.cc
@@ -47,8 +47,8 @@ void ShellExtensionHostDelegate::ProcessMediaAccessRequest(
     const content::MediaStreamRequest& request,
     const content::MediaResponseCallback& callback,
     const Extension* extension) {
-  // Allow access to the first microphone and/or camera.
-  media_capture_util::GrantMediaStreamRequestWithFirstDevice(
+  // Allow access to the microphone and/or camera.
+  media_capture_util::GrantMediaStreamRequest(
       web_contents, request, callback, extension);
 }