Add machinery to show touch editing context menus in OOPIFs.

third_party/WebKit/Source/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 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 133 matching lines @@
   bool SelectionTextDirection(WebTextDirection& start,
                               WebTextDirection& end) const override;
   bool IsSelectionAnchorFirst() const override;
   WebRange CaretOrSelectionRange() override;
   void SetTextDirection(WebTextDirection) override;
   bool IsAcceleratedCompositingActive() const override;
   void WillCloseLayerTreeView() override;
   void DidAcquirePointerLock() override;
   void DidNotAcquirePointerLock() override;
   void DidLosePointerLock() override;
+  void ShowContextMenu() override;
 
   // WebView methods:
   virtual bool IsWebView() const { return true; }
   void SetMainFrame(WebFrame*) override;
   void SetCredentialManagerClient(WebCredentialManagerClient*) override;
   void SetPrerendererClient(WebPrerendererClient*) override;
   void SetSpellCheckClient(WebSpellCheckClient*) override;
   WebSettings* GetSettings() override;
   WebString PageEncoding() const override;
   bool TabsToLinks() const override;
@@ skipping 60 matching lines @@
                                        const WebSize&) override;
   unsigned long CreateUniqueIdentifierForRequest() override;
   void EnableDeviceEmulation(const WebDeviceEmulationParams&) override;
   void DisableDeviceEmulation() override;
   WebAXObject AccessibilityObject() override;
   void SetSelectionColors(unsigned active_background_color,
                           unsigned active_foreground_color,
                           unsigned inactive_background_color,
                           unsigned inactive_foreground_color) override;
   void PerformCustomContextMenuAction(unsigned action) override;
-  void ShowContextMenu() override;
   void DidCloseContextMenu() override;
   void HidePopups() override;
   void SetPageOverlayColor(WebColor) override;
   WebPageImportanceSignals* PageImportanceSignals() override;
   void TransferActiveWheelFlingAnimation(
       const WebActiveWheelFlingParameters&) override;
   bool EndActiveFlingAnimation() override;
   bool IsFlinging() const override { return !!gesture_animation_.get(); }
   void SetShowPaintRects(bool) override;
   void SetShowDebugBorders(bool) override;
@@ skipping 501 matching lines @@
   Persistent<ResizeViewportAnchor> resize_viewport_anchor_;
 };
 
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 }  // namespace blink
 
 #endif