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

chrome/browser/ui/app_list/test/app_list_shower_unittest.cc

Index: chrome/browser/ui/app_list/test/app_list_shower_unittest.cc
diff --git a/chrome/browser/ui/app_list/test/app_list_shower_unittest.cc b/chrome/browser/ui/app_list/test/app_list_shower_unittest.cc
index 11986eaf0262be015b2221517ba56cfc8d348d9f..c01c5db6b7637c6c581619e77ffc64bd9f35834a 100644
--- a/chrome/browser/ui/app_list/test/app_list_shower_unittest.cc
+++ b/chrome/browser/ui/app_list/test/app_list_shower_unittest.cc
@@ -42,9 +42,6 @@ class FakeAppList : public AppList {
     prerendered_ = true;
   }
 
-  virtual void ReactivateOnNextFocusLoss() OVERRIDE {
-  }
-
   virtual gfx::NativeWindow GetWindow() OVERRIDE {
     return NULL;
   }