Refactor the content interface for RequestMediaAccessPermission.

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 435f5b1a6cb226efc428256c1ebd5346898372d9..5b733a7e2e102f5cf21b0ed379a5c4a5e889c111 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -1321,6 +1321,15 @@ void WebContentsImpl::ShowContextMenu(
   render_view_host_delegate_view_->ShowContextMenu(params);
 }
 
+void WebContentsImpl::RequestMediaAccessPermission(
+    const content::MediaStreamRequest* request,
+    const content::MediaResponseCallback& callback) {
+  if (delegate_)
+    delegate_->RequestMediaAccessPermission(this, request, callback);
+  else
+    callback.Run(content::MediaStreamDevices());
+}
+
 void WebContentsImpl::UpdatePreferredSize(const gfx::Size& pref_size) {
   preferred_size_ = pref_size;
   if (delegate_)