Widgets: Use overridden show()

Notify client about the show() after RWHVQD creation. The
WasShown(...) hack is not necessary anymore in the core layer.

Change-Id: I221b2d027ee83d81d70191419bc4fa8d41231674
Reviewed-by: Andras Becsi <andras.becsi@theqtcompany.com>

src/core/web_contents_delegate_qt.cpp

@@ -121,9 +121,6 @@ void WebContentsDelegateQt::AddNewContents(content::WebContents* source, content
     WebContentsAdapter *newAdapter = createWindow(new_contents, disposition, initial_pos, user_gesture);
     if (was_blocked)
         *was_blocked = !newAdapter;
-
-    if (content::RenderWidgetHostImpl *impl = content::RenderWidgetHostImpl::From(new_contents->GetRenderViewHost()))
-        impl->WasShown(ui::LatencyInfo());
 }
 
 void WebContentsDelegateQt::CloseContents(content::WebContents *source)

src/webenginewidgets/render_widget_host_view_qt_delegate_widget.cpp

@@ -81,7 +81,7 @@ void RenderWidgetHostViewQtDelegateWidget::initAsChild(WebContentsAdapterClient*
     if (pagePrivate->view) {
         pagePrivate->view->layout()->addWidget(this);
         pagePrivate->view->setFocusProxy(this);
-        QOpenGLWidget::show();
+        show();
     } else
         setParent(0);
 }