Display the context menu on Windows on long press release

content/browser/web_contents/web_contents_view_aura.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_
 
 #include <vector>
 
 #include "base/gtest_prod_util.h"
@@ skipping 21 matching lines @@
 class GestureNavSimple;
 class OverscrollNavigationOverlay;
 class RenderWidgetHostImpl;
 class RenderWidgetHostViewAura;
 class ShadowLayerDelegate;
 class TouchSelectionControllerClientAura;
 class WebContentsViewDelegate;
 class WebContentsImpl;
 class WebDragDestDelegate;
 
-class WebContentsViewAura
-    : public WebContentsView,
+class CONTENT_EXPORT WebContentsViewAura
+    : NON_EXPORTED_BASE(public WebContentsView),
       public RenderViewHostDelegateView,
       public OverscrollControllerDelegate,
       public aura::WindowDelegate,
       public aura::client::DragDropDelegate,
       public aura::WindowObserver {
  public:
   WebContentsViewAura(WebContentsImpl* web_contents,
                       WebContentsViewDelegate* delegate);
 
+  // Allow the WebContentsViewDelegate to be set explicitly.
+  void SetDelegateForTesting(WebContentsViewDelegate* delegate);
+
  private:
   class WindowObserver;
 
   ~WebContentsViewAura() override;
 
   void SizeChangedCommon(const gfx::Size& size);
 
   void EndDrag(blink::WebDragOperationsMask ops);
 
   void InstallOverscrollControllerDelegate(RenderWidgetHostViewAura* view);
@@ skipping 136 matching lines @@
   // On Windows we can run into problems if resources get released within the
   // initialization phase while the content (and its dimensions) are not known.
   bool is_or_was_visible_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsViewAura);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_AURA_H_