VR: Disable Overscroll Glow in VrShell

chrome/browser/android/vr_shell/vr_web_contents_observer.cc

Index: chrome/browser/android/vr_shell/vr_web_contents_observer.cc
diff --git a/chrome/browser/android/vr_shell/vr_web_contents_observer.cc b/chrome/browser/android/vr_shell/vr_web_contents_observer.cc
index edd2604b52fc32c11a258ed2732dcc4726a76a16..8b77ae8da32a8c1af57f59902688e9b3b9330100 100644
--- a/chrome/browser/android/vr_shell/vr_web_contents_observer.cc
+++ b/chrome/browser/android/vr_shell/vr_web_contents_observer.cc
@@ -7,6 +7,9 @@
 #include "chrome/browser/android/vr_shell/ui_interface.h"
 #include "chrome/browser/android/vr_shell/vr_shell.h"
 #include "content/public/browser/navigation_handle.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/render_widget_host.h"
+#include "content/public/browser/render_widget_host_view.h"
 
 namespace vr_shell {
 
@@ -59,4 +62,10 @@ void VrWebContentsObserver::WasHidden() {
   vr_shell_->ContentWasHidden();
 }
 
+void VrWebContentsObserver::RenderViewHostChanged(

[Charlie Reis, 2016/12/06 22:51:42]

Note that RenderViewHost is on its way out, in favor of RenderFrameHost.  I
think the version you have should be fine functionally, assuming overscroll only
happens for main frame navigations.  (It's probably also safe to use
RenderFrameHostChanged and check if it's the main frame, but we can do that
later.)

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

Overscroll only happens for the main frame navigation. I'll use
RenderFrameHostChanged in another patch. Thank you

+    content::RenderViewHost* old_host,
+    content::RenderViewHost* new_host) {
+  new_host->GetWidget()->GetView()->SetShowingOverscrollGlow(false);
+}
+
 }  // namespace vr_shell