Drag-and-drop across OOPIFs.

third_party/WebKit/Source/web/tests/WebViewTest.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 2090 matching lines @@
   EXPECT_EQ(7, client.longpressY());
 
   // Explicitly reset to break dependency on locally scoped client.
   m_webViewHelper.reset();
 }
 
 TEST_P(WebViewTest, ClientTapHandlingNullWebViewClient) {
   WebViewImpl* webView =
       WebViewImpl::create(nullptr, WebPageVisibilityStateVisible);
   FrameTestHelpers::TestWebFrameClient webFrameClient;
+  FrameTestHelpers::TestWebWidgetClient webWidgetClient;
   WebLocalFrame* localFrame =
       WebLocalFrame::create(WebTreeScopeType::Document, &webFrameClient);
   webView->setMainFrame(localFrame);
+
+  // TODO(dcheng): The main frame widget currently has a special case.
+  // Eliminate this once WebView is no longer a WebWidget.
+  blink::WebFrameWidget::create(&webWidgetClient, webView, localFrame);
+
   WebGestureEvent event;
   event.type = WebInputEvent::GestureTap;
   event.sourceDevice = WebGestureDeviceTouchscreen;
   event.x = 3;
   event.y = 8;
   EXPECT_EQ(WebInputEventResult::NotHandled, webView->handleInputEvent(event));
   webView->close();
 }
 
 TEST_P(WebViewTest, LongPressEmptyDiv) {
@@ skipping 2225 matching lines @@
       .translate(50, 55)
       .scale(1. / 2.f);
   EXPECT_EQ(expectedMatrix,
             webViewImpl->getDeviceEmulationTransformForTesting());
   // visibleContentRect doesn't change.
   EXPECT_EQ(IntRect(50, 55, 50, 75),
             *devToolsEmulator->visibleContentRectForPainting());
 }
 
 }  // namespace blink