Add a ctor for InterfaceRequest<I> that takes a ScopedMessagePipeHandle, and remove MakeRequest<I>(…

shell/context.cc

Index: shell/context.cc
diff --git a/shell/context.cc b/shell/context.cc
index 101ea61cacefca4aaef791c6a8c3d70c18d37d87..8052e1b8caafb0414384fde6154a7061ea043bbf 100644
--- a/shell/context.cc
+++ b/shell/context.cc
@@ -204,7 +204,7 @@ class TracingServiceProvider : public ServiceProvider {
                         mojo::ScopedMessagePipeHandle client_handle) override {
     if (tracer_ && service_name == tracing::TraceProvider::Name_) {
       tracer_->ConnectToProvider(
-          mojo::MakeRequest<tracing::TraceProvider>(client_handle.Pass()));
+          mojo::InterfaceRequest<tracing::TraceProvider>(client_handle.Pass()));
     }
   }