Create .mojo applications in a common subdir under out/Debug

mojo/services/catalog/catalog.cc

 // Copyright 2016 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 "mojo/services/catalog/catalog.h"
 
 #include "base/bind.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/strings/string_split.h"
 #include "base/task_runner_util.h"
@@ skipping 63 matching lines @@
 // Catalog, public:
 
 Catalog::Catalog(scoped_ptr<Store> store,
                  base::TaskRunner* file_task_runner,
                  EntryCache* system_catalog)
     : store_(std::move(store)),
       file_task_runner_(file_task_runner),
       system_catalog_(system_catalog),
       weak_factory_(this) {
   PathService::Get(base::DIR_MODULE, &system_package_dir_);
+  system_package_dir_ =
+      system_package_dir_.Append(FILE_PATH_LITERAL("Mojo Applications"));
   DeserializeCatalog();
 }
 
 Catalog::~Catalog() {}
 
 void Catalog::BindResolver(mojom::ResolverRequest request) {
   resolver_bindings_.AddBinding(this, std::move(request));
 }
 
 void Catalog::BindShellResolver(
@@ skipping 137 matching lines @@
   EntryCache* catalog = is_system_catalog ? system_catalog_ : &user_catalog_;
   if (catalog->end() != catalog->find(entry->name()))
     return;
   for (auto child : entry->applications())
     AddEntryToCatalog(make_scoped_ptr(child), is_system_catalog);
   (*catalog)[entry->name()] = std::move(entry);
   SerializeCatalog();
 }
 
 }  // namespace catalog