Move apps/shell to extensions/shell.

extensions/shell/common/switches.h

Index: extensions/shell/common/switches.h
diff --git a/apps/shell/common/switches.h b/extensions/shell/common/switches.h
similarity index 72%
rename from apps/shell/common/switches.h
rename to extensions/shell/common/switches.h
index 0ecf906b22b4aa602ba091bce4baaaba96e86c97..6c4911dd26f30576069d711a93891cb59733a516 100644
--- a/apps/shell/common/switches.h
+++ b/extensions/shell/common/switches.h
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef APPS_SHELL_COMMON_SWITCHES_H_
-#define APPS_SHELL_COMMON_SWITCHES_H_
+#ifndef EXTENSIONS_SHELL_COMMON_SWITCHES_H_
+#define EXTENSIONS_SHELL_COMMON_SWITCHES_H_
 
-namespace apps {
+namespace extensions {
 namespace switches {
 
 // All switches in alphabetical order. The switches should be documented
@@ -15,6 +15,6 @@ extern const char kAppShellHostWindowBounds[];
 extern const char kAppShellPreferredNetwork[];
 
 }  // namespace switches
-}  // namespace apps
+}  // namespace extensions
 
-#endif  // APPS_SHELL_COMMON_SWITCHES_H_
+#endif  // EXTENSIONS_SHELL_COMMON_SWITCHES_H_