services/shell: Allow injecting the location of resources.

services/shell/standalone/context.cc

 // Copyright 2013 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 "services/shell/standalone/context.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 148 matching lines @@
     NativeRunnerDelegate* native_runner_delegate = init_params ?
         init_params->native_runner_delegate : nullptr;
     runner_factory.reset(new OutOfProcessNativeRunnerFactory(
         blocking_pool_.get(), native_runner_delegate));
   }
   std::unique_ptr<catalog::Store> store;
   if (init_params)
     store = std::move(init_params->catalog_store);
   catalog_.reset(
       new catalog::Catalog(blocking_pool_.get(), std::move(store), nullptr));
+  if (!init_params->override_resource_path.empty())
+    catalog_->set_override_resource_path(init_params->override_resource_path);
   service_manager_.reset(new ServiceManager(std::move(runner_factory),
                                             catalog_->TakeService()));
 
   mojom::InterfaceProviderPtr tracing_remote_interfaces;
   mojom::InterfaceProviderPtr tracing_local_interfaces;
   mojo::MakeStrongBinding(base::MakeUnique<TracingInterfaceProvider>(&tracer_),
                           mojo::GetProxy(&tracing_local_interfaces));
 
   std::unique_ptr<ConnectParams> params(new ConnectParams);
   params->set_source(CreateServiceManagerIdentity());
@@ skipping 74 matching lines @@
   mojom::InterfaceProviderPtr local_interfaces;
 
   std::unique_ptr<ConnectParams> params(new ConnectParams);
   params->set_source(CreateServiceManagerIdentity());
   params->set_target(Identity(name, mojom::kRootUserID));
   params->set_remote_interfaces(mojo::GetProxy(&remote_interfaces));
   service_manager_->Connect(std::move(params));
 }
 
 }  // namespace shell