Move apps/shell to extensions/shell.

extensions/shell/browser/shell_extension_system_factory.cc

Index: extensions/shell/browser/shell_extension_system_factory.cc
diff --git a/apps/shell/browser/shell_extension_system_factory.cc b/extensions/shell/browser/shell_extension_system_factory.cc
similarity index 88%
rename from apps/shell/browser/shell_extension_system_factory.cc
rename to extensions/shell/browser/shell_extension_system_factory.cc
index 42a5b9e5d4eae5e4bfcffc604fb9e721cc62186c..73ad7d018228ac7bb37272b4dc5e679f4d58e363 100644
--- a/apps/shell/browser/shell_extension_system_factory.cc
+++ b/extensions/shell/browser/shell_extension_system_factory.cc
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "apps/shell/browser/shell_extension_system_factory.h"
+#include "extensions/shell/browser/shell_extension_system_factory.h"
 
-#include "apps/shell/browser/shell_extension_system.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "extensions/browser/extension_prefs_factory.h"
 #include "extensions/browser/extension_registry_factory.h"
+#include "extensions/shell/browser/shell_extension_system.h"
 
 using content::BrowserContext;
 
@@ -31,7 +31,8 @@ ShellExtensionSystemFactory::ShellExtensionSystemFactory()
   DependsOn(ExtensionRegistryFactory::GetInstance());
 }
 
-ShellExtensionSystemFactory::~ShellExtensionSystemFactory() {}
+ShellExtensionSystemFactory::~ShellExtensionSystemFactory() {
+}
 
 KeyedService* ShellExtensionSystemFactory::BuildServiceInstanceFor(
     BrowserContext* context) const {