Eliminate ShellClientFactoryConnection & just have the ApplicationManager do it.

content/browser/mojo/mojo_app_connection_impl.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/mojo/mojo_app_connection_impl.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/bind.h"
 #include "content/browser/mojo/mojo_shell_context.h"
 #include "mojo/shell/capability_filter.h"
 
 namespace content {
 
 const char kBrowserMojoAppUrl[] = "system:content_browser";
 
 namespace {
-void OnGotRemoteIDs(uint32_t remote_id, uint32_t content_handler_id) {}
+void OnGotInstanceID(uint32_t remote_id) {}
 }  // namespace
 
 // static
 scoped_ptr<MojoAppConnection> MojoAppConnection::Create(
     const GURL& url,
     const GURL& requestor_url) {
   return scoped_ptr<MojoAppConnection>(
       new MojoAppConnectionImpl(url, requestor_url));
 }
 
 MojoAppConnectionImpl::MojoAppConnectionImpl(const GURL& url,
                                              const GURL& requestor_url) {
   MojoShellContext::ConnectToApplication(
       url, requestor_url, mojo::GetProxy(&interfaces_),
       mojo::shell::mojom::InterfaceProviderPtr(),
       mojo::shell::GetPermissiveCapabilityFilter(),
-      base::Bind(&OnGotRemoteIDs));
+      base::Bind(&OnGotInstanceID));
 }
 
 MojoAppConnectionImpl::~MojoAppConnectionImpl() {
 }
 
 void MojoAppConnectionImpl::GetInterface(
     const std::string& interface_name,
     mojo::ScopedMessagePipeHandle handle) {
   interfaces_->GetInterface(interface_name, std::move(handle));
 }
 
 }  // namespace content