Disable Android virtual keyboard when in VR shell

content/browser/renderer_host/render_widget_host_view_android.h

Index: content/browser/renderer_host/render_widget_host_view_android.h
diff --git a/content/browser/renderer_host/render_widget_host_view_android.h b/content/browser/renderer_host/render_widget_host_view_android.h
index 7ad5cf29eca71485c90c939646c48b6bc7d3d009..815dc3e96fbebcab88fdd8ad97f91d2b4082978e 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.h
+++ b/content/browser/renderer_host/render_widget_host_view_android.h
@@ -141,7 +141,7 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
   void OnSwapCompositorFrame(uint32_t compositor_frame_sink_id,
                              cc::CompositorFrame frame) override;
   void ClearCompositorFrame() override;
-  void SetShowingOverscrollGlow(bool showing_glow) override;
+  void SetIsInVR(bool is_in_vr) override;
   void DidOverscroll(const ui::DidOverscrollParams& params) override;
   void DidStopFlinging() override;
   cc::FrameSinkId GetFrameSinkId() override;
@@ -329,8 +329,9 @@ class CONTENT_EXPORT RenderWidgetHostViewAndroid
   bool is_window_visible_;
   bool is_window_activity_started_;
 
-  // Used to control the appearance of overscroll glow.
-  bool is_showing_overscroll_glow_;
+  // Used to customize behavior for virtual reality mode, such as the
+  // appearance of overscroll glow and the keyboard.
+  bool is_in_vr_;
 
   // ContentViewCoreImpl is our interface to the view system.
   ContentViewCoreImpl* content_view_core_;