Removes worskpace 1 code. Will rename next.

ash/wm/workspace_controller_test_helper.cc

Index: ash/wm/workspace_controller_test_helper.cc
diff --git a/ash/wm/workspace_controller_test_helper.cc b/ash/wm/workspace_controller_test_helper.cc
index 4e0d2037225f304ed20772cba26eb58791896755..929b53a55ce9dc442a1cc63ff3e6a3b68a15792d 100644
--- a/ash/wm/workspace_controller_test_helper.cc
+++ b/ash/wm/workspace_controller_test_helper.cc
@@ -20,12 +20,9 @@ WorkspaceControllerTestHelper::~WorkspaceControllerTestHelper() {
 }
 
 WorkspaceEventHandler* WorkspaceControllerTestHelper::GetEventHandler() {
-  if (WorkspaceController::IsWorkspace2Enabled()) {
-    ui::EventTarget::TestApi test_api(controller_->viewport_->children()[0]);
-    return static_cast<WorkspaceEventHandler*>(
-        test_api.pre_target_handlers().front());
-  }
-  return controller_->event_handler_;
+  ui::EventTarget::TestApi test_api(controller_->viewport_->children()[0]);
+  return static_cast<WorkspaceEventHandler*>(
+      test_api.pre_target_handlers().front());
 }
 
 MultiWindowResizeController*