Remove unreleased web app frame code from ChromeOS

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index f68f672abfe037ea3c4a6e1187d9b67cc855f8a2..38a4a889bff65e2258947e3f1e9bb0d296fb4a85 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -450,10 +450,6 @@ const char kEnableThumbnailRetargeting[]   = "enable-thumbnail-retargeting";
 const char kEnableUserAlternateProtocolPorts[] =
     "enable-user-controlled-alternate-protocol-ports";
 
-// Enables a new "web app" style frame for hosted apps (including bookmark
-// apps).
-const char kEnableWebAppFrame[] = "enable-web-app-frame";
-
 // Enables Web Notification custom layouts.
 const char kEnableWebNotificationCustomLayouts[] =
     "enable-web-notification-custom-layouts";