VR: Disable Overscroll Glow in VrShell

content/public/browser/render_widget_host_view.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_PUBLIC_BROWSER_RENDER_WIDGET_HOST_VIEW_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_VIEW_H_
 
 #include <memory>
 
 #include "base/strings/string16.h"
@@ skipping 46 matching lines @@
   // Tells the View to size itself to the specified size.
   virtual void SetSize(const gfx::Size& size) = 0;
 
   // Tells the View to size and move itself to the specified size and point in
   // screen space.
   virtual void SetBounds(const gfx::Rect& rect) = 0;
 
   // Retrieves the last known scroll position.
   virtual gfx::Vector2dF GetLastScrollOffset() const = 0;
 
+  // Tells the renderer whether to show the overscroll glow.
+  virtual void SetShowingOverscrollGlow(bool showing) = 0;

[sadrul, 2016/12/06 20:29:23]

Note that there's a WebContentsDelegate::CanOverscrollContent(). It may be
possible to re-use that for this too?

[asimjour1, 2016/12/08 16:59:15]

We can't disable the glow using WebContentsDelegate::CanOverscrollContent().

+
   // Coordinate points received from a renderer process need to be transformed
   // to the top-level frame's coordinate space. For coordinates received from
   // the top-level frame's renderer this is a no-op as they are already
   // properly transformed; however, coordinates received from an out-of-process
   // iframe renderer process require transformation.
   virtual gfx::Point TransformPointToRootCoordSpace(
       const gfx::Point& point) = 0;
 
   // A floating point variant of the above. PointF values will be snapped to
   // integral points before transformation.
@@ skipping 112 matching lines @@
   // Returns |true| if text is currently being spoken by Mac OS X.
   virtual bool IsSpeaking() const = 0;
   // Stops speaking, if it is currently in progress.
   virtual void StopSpeaking() = 0;
 #endif  // defined(OS_MACOSX)
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_VIEW_H_