MacViews: Add WidgetEventGenerator to abstract platform-specific event generation for tests.

ui/views/test/widget_test.cc

 // Copyright 2013 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.
 
 #include "ui/views/test/widget_test.h"
 
 #include "ui/gfx/native_widget_types.h"
 #include "ui/views/widget/root_view.h"
 
 namespace views {
 namespace test {
 
 // A widget that assumes mouse capture always works. It won't in testing, so we
 // mock it.
 NativeWidgetCapture::NativeWidgetCapture(
     internal::NativeWidgetDelegate* delegate)
-    : NativeWidgetAura(delegate),
+    : PlatformNativeWidget(delegate),
       mouse_capture_(false) {}
+
 NativeWidgetCapture::~NativeWidgetCapture() {}
 
 void NativeWidgetCapture::SetCapture() {
   mouse_capture_ = true;
 }
 
 void NativeWidgetCapture::ReleaseCapture() {
   if (mouse_capture_)
     delegate()->OnMouseCaptureLost();
   mouse_capture_ = false;
@@ skipping 68 matching lines @@
 View* WidgetTest::GetMouseMoveHandler(internal::RootView* root_view) {
   return root_view->mouse_move_handler_;
 }
 
 View* WidgetTest::GetGestureHandler(internal::RootView* root_view) {
   return root_view->gesture_handler_;
 }
 
 }  // namespace test
 }  // namespace views