MacViews: Fix ViewTest.HandleAccelerator by faking window activation

ui/views/cocoa/bridged_native_widget_interactive_uitest.mm

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ui/views/cocoa/bridged_native_widget.h"
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/mac/mac_util.h"
 #import "base/mac/sdk_forward_declarations.h"
 #include "base/macros.h"
 #include "ui/base/hit_test.h"
 #import "ui/base/test/nswindow_fullscreen_notification_waiter.h"
+#include "ui/base/test/ui_controls.h"
 #import "ui/base/test/windowed_nsnotification_observer.h"
 #import "ui/events/test/cocoa_test_event_utils.h"
 #include "ui/views/test/widget_test.h"
 #include "ui/views/widget/native_widget_mac.h"
 #include "ui/views/window/native_frame_view.h"
 
 namespace views {
 namespace test {
 namespace {
 
 // Provide a resizable Widget by default. Starting in 10.11, OSX doesn't
 // correctly restore the window size when coming out of fullscreen if the window
 // is not user-sizable.
 class ResizableDelegateView : public WidgetDelegateView {
  public:
   ResizableDelegateView() {}
 
   // WidgetDelgate:
   bool CanResize() const override { return true; }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ResizableDelegateView);
 };
 
 }  // namespace
 
 class BridgedNativeWidgetUITest : public test::WidgetTest {
  public:
-  BridgedNativeWidgetUITest() {}
+  BridgedNativeWidgetUITest() {
+    // TODO(tapted): Remove this when these are absorbed into Chrome's
+    // interactive_ui_tests target. See http://crbug.com/403679.
+    ui_controls::EnableUIControls();
+  }
 
   // testing::Test:
   void SetUp() override {
     WidgetTest::SetUp();
     Widget::InitParams init_params =
         CreateParams(Widget::InitParams::TYPE_WINDOW);
     init_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
     init_params.bounds = gfx::Rect(100, 100, 300, 200);
     init_params.delegate = new ResizableDelegateView;
     widget_.reset(new Widget);
@@ skipping 428 matching lines @@
     NSEvent* mouse_up = cocoa_test_event_utils::MouseEventAtPointInWindow(
         NSMakePoint(30, 30), NSLeftMouseUp, window, 0);
     CGEventPost(kCGSessionEventTap, [mouse_up CGEvent]);
     WaitForEvent(NSLeftMouseUpMask);
     EXPECT_EQ(120, [window frame].origin.x);
   }
 }
 
 }  // namespace test
 }  // namespace views