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 f3ef99f5deaa32db85b4ca9bd78edd9fa65c211f..56f3fa3ea05ede96b9f36b717a1b7a21b39043b2 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -460,10 +460,6 @@ 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";