Move the concept of Activation to the Shell.

chrome/browser/automation/testing_automation_provider_aura.cc

Index: chrome/browser/automation/testing_automation_provider_aura.cc
===================================================================
--- chrome/browser/automation/testing_automation_provider_aura.cc	(revision 114022)
+++ chrome/browser/automation/testing_automation_provider_aura.cc	(working copy)
@@ -8,12 +8,13 @@
 #include "chrome/browser/automation/automation_window_tracker.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
+#include "ui/aura_shell/window_util.h"
 #include "ui/base/ui_base_types.h"
 
 void TestingAutomationProvider::ActivateWindow(int handle) {
   aura::Window* window = window_tracker_->GetResource(handle);
   if (window) {
-    window->Activate();
+    aura_shell::ActivateWindow(window);
   }
 }