Move apps/shell to extensions/shell.

extensions/shell/browser/shell_extension_web_contents_observer.cc

Index: extensions/shell/browser/shell_extension_web_contents_observer.cc
diff --git a/apps/shell/browser/shell_extension_web_contents_observer.cc b/extensions/shell/browser/shell_extension_web_contents_observer.cc
similarity index 77%
rename from apps/shell/browser/shell_extension_web_contents_observer.cc
rename to extensions/shell/browser/shell_extension_web_contents_observer.cc
index 0c8c29e0b17ff0253d354e61d1555feac6b28a26..9dc369103dd267de590f3a2c2bcd30385d6ab870 100644
--- a/apps/shell/browser/shell_extension_web_contents_observer.cc
+++ b/extensions/shell/browser/shell_extension_web_contents_observer.cc
@@ -2,7 +2,7 @@
 // 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_web_contents_observer.h"
+#include "extensions/shell/browser/shell_extension_web_contents_observer.h"
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(
     extensions::ShellExtensionWebContentsObserver);
@@ -11,8 +11,10 @@ namespace extensions {
 
 ShellExtensionWebContentsObserver::ShellExtensionWebContentsObserver(
     content::WebContents* web_contents)
-    : ExtensionWebContentsObserver(web_contents) {}
+    : ExtensionWebContentsObserver(web_contents) {
+}
 
-ShellExtensionWebContentsObserver::~ShellExtensionWebContentsObserver() {}
+ShellExtensionWebContentsObserver::~ShellExtensionWebContentsObserver() {
+}
 
 }  // namespace extensions