[OLD ATTEMPT, DO NOT REVIEW] mustash: Enable connections to mus from the Chrome renderer

content/renderer/render_view_impl.cc

Index: content/renderer/render_view_impl.cc
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index fb53fa455ee617115526282ee1fe7caadeb7ee12..257982aa5dfa6059fa98fa7116616b33e0b076b7 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -210,6 +210,11 @@
 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 #endif
 
+#if defined(MOJO_SHELL_CLIENT)
+#include "content/public/common/mojo_shell_connection.h"
+#include "content/renderer/render_widget_mus.h"
+#endif  // defined(MOJO_SHELL_CLIENT)
+
 using blink::WebAXObject;
 using blink::WebApplicationCacheHost;
 using blink::WebApplicationCacheHostClient;
@@ -661,6 +666,13 @@ RenderViewImpl::RenderViewImpl(CompositorDependencies* compositor_deps,
 void RenderViewImpl::Initialize(const ViewMsg_New_Params& params,
                                 bool was_created_by_renderer) {
   routing_id_ = params.view_id;
+#if defined(MOJO_SHELL_CLIENT)
+  if (routing_id_ && MojoShellConnection::Get() &&
+      base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kUseMusInRenderer)) {
+    new RenderWidgetMus(routing_id_);
+  }
+#endif
 
   int opener_view_routing_id;
   WebFrame* opener_frame = RenderFrameImpl::ResolveOpener(