Remove single-window-metro-mode code paths for the app launcher and apps.

chrome/browser/apps/chrome_apps_client.cc

Index: chrome/browser/apps/chrome_apps_client.cc
diff --git a/chrome/browser/apps/chrome_apps_client.cc b/chrome/browser/apps/chrome_apps_client.cc
index 5c931acffcd4e1268424f778b90340fb62fce973..91032091825d7dfaca80ed561792be3904312687 100644
--- a/chrome/browser/apps/chrome_apps_client.cc
+++ b/chrome/browser/apps/chrome_apps_client.cc
@@ -8,13 +8,8 @@
 #include "base/memory/singleton.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/browser/ui/apps/app_metro_infobar_delegate_win.h"
 #include "extensions/common/extension.h"
 
-#if defined(OS_WIN)
-#include "win8/util/win8_util.h"
-#endif
-
 // TODO(jamescook): We probably shouldn't compile this class at all on Android.
 // See http://crbug.com/343612
 #if !defined(OS_ANDROID)
@@ -40,22 +35,6 @@ std::vector<content::BrowserContext*>
                                                profiles.end());
 }
 
-bool ChromeAppsClient::CheckAppLaunch(content::BrowserContext* context,
-                                      const extensions::Extension* extension) {
-#if defined(OS_WIN)
-  // On Windows 8's single window Metro mode we can not launch platform apps.
-  // Offer to switch Chrome to desktop mode.
-  if (win8::IsSingleWindowMetroMode()) {
-    AppMetroInfoBarDelegateWin::Create(
-        Profile::FromBrowserContext(context),
-        AppMetroInfoBarDelegateWin::LAUNCH_PACKAGED_APP,
-        extension->id());
-    return false;
-  }
-#endif
-  return true;
-}
-
 apps::AppWindow* ChromeAppsClient::CreateAppWindow(
     content::BrowserContext* context,
     const extensions::Extension* extension) {