Disable color/date chooser in VR mode via WebPreferences

chrome/browser/android/vr_shell/vr_tab_helper.cc

 // Copyright 2017 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.
 
 #include "chrome/browser/android/vr_shell/vr_tab_helper.h"
 
 #include "chrome/browser/android/vr_shell/vr_shell_delegate.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/common/web_preferences.h"
 #include "device/vr/android/gvr/gvr_delegate_provider.h"
 
+using content::WebContents;
+using content::WebPreferences;
+
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(vr_shell::VrTabHelper);
 
 namespace vr_shell {
 
-VrTabHelper::VrTabHelper(content::WebContents* contents) {}
+VrTabHelper::VrTabHelper(content::WebContents* contents)
+    : web_contents_(contents) {}
+
 VrTabHelper::~VrTabHelper() {}
 
 void VrTabHelper::SetIsInVr(bool is_in_vr) {
+  if (is_in_vr_ == is_in_vr)
+    return;
+
   is_in_vr_ = is_in_vr;
+
+  WebPreferences web_prefs =
+      web_contents_->GetRenderViewHost()->GetWebkitPreferences();
+  web_prefs.page_popups_suppressed = is_in_vr_;
+  web_contents_->GetRenderViewHost()->UpdateWebkitPreferences(web_prefs);
 }
 
 /* static */
 bool VrTabHelper::IsInVr(content::WebContents* contents) {
   VrTabHelper* vr_tab_helper = VrTabHelper::FromWebContents(contents);
   return vr_tab_helper->is_in_vr();
 }
 
 }  // namespace vr_shell