Selection Action mode triggered like a context menu

content/browser/renderer_host/render_widget_host_impl.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_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 355 matching lines @@
   // Enables/disables touch emulation using mouse event. See TouchEmulator.
   void SetTouchEventEmulationEnabled(
       bool enabled, ui::GestureProviderConfigType config_type);
 
   // TouchEmulatorClient implementation.
   void ForwardEmulatedGestureEvent(
       const blink::WebGestureEvent& gesture_event) override;
   void ForwardEmulatedTouchEvent(
       const blink::WebTouchEvent& touch_event) override;
   void SetCursor(const WebCursor& cursor) override;
-  void ShowContextMenuAtPoint(const gfx::Point& point) override;
+  void ShowContextMenuAtPoint(const gfx::Point& point,
+                              bool from_touch = false) override;
 
   // Queues a synthetic gesture for testing purposes.  Invokes the on_complete
   // callback when the gesture is finished running.
   void QueueSyntheticGesture(
       std::unique_ptr<SyntheticGesture> synthetic_gesture,
       const base::Callback<void(SyntheticGesture::Result)>& on_complete);
 
   void CancelUpdateTextDirection();
 
   // Update the composition node of the renderer (or WebKit).
@@ skipping 594 matching lines @@
   std::queue<std::pair<uint32_t, std::vector<IPC::Message>>> queued_messages_;
 
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_