Move apps/shell to extensions/shell.

extensions/shell/browser/default_shell_browser_main_delegate.cc

 // Copyright 2014 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 "apps/shell/browser/default_shell_browser_main_delegate.h"
+#include "extensions/shell/browser/default_shell_browser_main_delegate.h"
 
-#include "apps/shell/browser/default_shell_app_window_controller.h"
-#include "apps/shell/browser/shell_desktop_controller.h"
-#include "apps/shell/browser/shell_extension_system.h"
-#include "apps/shell/common/switches.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
+#include "extensions/shell/browser/default_shell_app_window_controller.h"
+#include "extensions/shell/browser/shell_desktop_controller.h"
+#include "extensions/shell/browser/shell_extension_system.h"
+#include "extensions/shell/common/switches.h"
 
-namespace apps {
+namespace extensions {
 
 DefaultShellBrowserMainDelegate::DefaultShellBrowserMainDelegate() {
 }
 
 DefaultShellBrowserMainDelegate::~DefaultShellBrowserMainDelegate() {
 }
 
 void DefaultShellBrowserMainDelegate::Start(
     content::BrowserContext* browser_context) {
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kAppShellAppPath)) {
     base::FilePath app_dir(
         command_line->GetSwitchValueNative(switches::kAppShellAppPath));
     base::FilePath app_absolute_dir = base::MakeAbsoluteFilePath(app_dir);
 
-    extensions::ShellExtensionSystem* extension_system =
-        static_cast<extensions::ShellExtensionSystem*>(
-            extensions::ExtensionSystem::Get(browser_context));
+    ShellExtensionSystem* extension_system = static_cast<ShellExtensionSystem*>(
+        ExtensionSystem::Get(browser_context));
     if (!extension_system->LoadApp(app_absolute_dir))
       return;
     extension_system->LaunchApp();
   } else {
     LOG(ERROR) << "--" << switches::kAppShellAppPath
                << " unset; boredom is in your future";
   }
 }
 
 void DefaultShellBrowserMainDelegate::Shutdown() {
 }
 
 ShellDesktopController*
 DefaultShellBrowserMainDelegate::CreateDesktopController() {
   ShellDesktopController* desktop = new ShellDesktopController();
   desktop->SetAppWindowController(new DefaultShellAppWindowController(desktop));
   return desktop;
 }
 
-}  // namespace apps
+}  // namespace extensions