Allow client process information to be passed via Connector::Connect().

content/browser/renderer_host/render_widget_host_view_mus.cc

Index: content/browser/renderer_host/render_widget_host_view_mus.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_mus.cc b/content/browser/renderer_host/render_widget_host_view_mus.cc
index 31572664a2949bdecf944d76fb8354f856670346..01097ad296e7d1685c28f4b89d888c903cc12268 100644
--- a/content/browser/renderer_host/render_widget_host_view_mus.cc
+++ b/content/browser/renderer_host/render_widget_host_view_mus.cc
@@ -9,7 +9,7 @@
 #include "build/build_config.h"
 #include "components/mus/public/cpp/window.h"
 #include "components/mus/public/cpp/window_tree_connection.h"
-#include "content/browser/mojo/mojo_shell_client_host.h"
+#include "content/browser/mojo/mojo_child_connection.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/render_widget_window_tree_client_factory.mojom.h"
@@ -38,10 +38,8 @@ RenderWidgetHostViewMus::RenderWidgetHostViewMus(mus::Window* parent_window,
 
   // Connect to the renderer, pass it a WindowTreeClient interface request
   // and embed that client inside our mus window.
-  mojo::Identity identity = GetMojoIdentity(host_->GetProcess());
   mojom::RenderWidgetWindowTreeClientFactoryPtr factory;
-  MojoShellConnection::Get()->GetConnector()->ConnectToInterface(
-      identity, &factory);
+  GetMojoConnection(host_->GetProcess())->GetInterface(&factory);
 
   mus::mojom::WindowTreeClientPtr window_tree_client;
   factory->CreateWindowTreeClientForRenderWidget(