Add machinery to show touch editing context menus in 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 2439 matching lines @@
   mouse_event.button = WebMouseEvent::Button::kRight;
   mouse_event.SetPositionInWidget(1, 1);
   mouse_event.click_count = 1;
   web_view->HandleInputEvent(WebCoalescedInputEvent(mouse_event));
   RunPendingTasks();
 
   WebLocalFrameBase* main_frame = web_view->MainFrameImpl();
   EXPECT_TRUE(main_frame->GetFrame()->Selection().IsCaretBlinkingSuspended());
 
   // Caret blinking is still suspended after showing context menu.
-  web_view->ShowContextMenu(kMenuSourceMouse);
+  web_view->GetWidget()->ShowContextMenu(kMenuSourceMouse);
   EXPECT_TRUE(main_frame->GetFrame()->Selection().IsCaretBlinkingSuspended());
 
   // Caret blinking will be resumed only after context menu is closed.
   web_view->DidCloseContextMenu();
 
   EXPECT_FALSE(main_frame->GetFrame()->Selection().IsCaretBlinkingSuspended());
 }
 
 TEST_P(WebViewTest, SelectionOnReadOnlyInput) {
   RegisterMockedHttpURLLoad("selection_readonly.html");
@@ skipping 1869 matching lines @@
   EXPECT_FALSE(frame_view->VisualViewportSuppliesScrollbars());
   if (RuntimeEnabledFeatures::rootLayerScrollingEnabled()) {
     EXPECT_NE(nullptr,
               frame_view->LayoutViewportScrollableArea()->VerticalScrollbar());
   } else {
     EXPECT_NE(nullptr, frame_view->VerticalScrollbar());
   }
 }
 
 }  // namespace blink