Move apps/shell to extensions/shell.

extensions/shell/browser/shell_extension_system.h

Index: extensions/shell/browser/shell_extension_system.h
diff --git a/apps/shell/browser/shell_extension_system.h b/extensions/shell/browser/shell_extension_system.h
similarity index 92%
rename from apps/shell/browser/shell_extension_system.h
rename to extensions/shell/browser/shell_extension_system.h
index c451eddda583f1d81b20590f8a4b957f36bc54ab..1568bd10fe3a1ddb9a5ef1a2680e205a9f39acbc 100644
--- a/apps/shell/browser/shell_extension_system.h
+++ b/extensions/shell/browser/shell_extension_system.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef APPS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_
-#define APPS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_
+#ifndef EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_
+#define EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_
 
 #include <vector>
 
@@ -57,8 +57,7 @@ class ShellExtensionSystem : public ExtensionSystem {
   virtual StateStore* state_store() OVERRIDE;
   virtual StateStore* rules_store() OVERRIDE;
   virtual InfoMap* info_map() OVERRIDE;
-  virtual LazyBackgroundTaskQueue* lazy_background_task_queue()
-      OVERRIDE;
+  virtual LazyBackgroundTaskQueue* lazy_background_task_queue() OVERRIDE;
   virtual EventRouter* event_router() OVERRIDE;
   virtual ExtensionWarningService* warning_service() OVERRIDE;
   virtual Blacklist* blacklist() OVERRIDE;
@@ -100,4 +99,4 @@ class ShellExtensionSystem : public ExtensionSystem {
 
 }  // namespace extensions
 
-#endif  // APPS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_
+#endif  // EXTENSIONS_SHELL_BROWSER_SHELL_EXTENSION_SYSTEM_H_