[vr] Deny permission requests in VR mode

chrome/browser/download/download_request_limiter.cc

 // 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.
 
 #include "chrome/browser/download/download_request_limiter.h"
 
 #include "base/bind.h"
 #include "base/stl_util.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/download/download_permission_request.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/permissions/permission_request_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "components/content_settings/core/browser/content_settings_details.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
+#include "device/vr/features/features.h"
 #include "url/gurl.h"
 
 #if defined(OS_ANDROID)
 #include "chrome/browser/download/download_request_infobar_delegate_android.h"
-#endif
+
+#if BUILDFLAG(ENABLE_VR)
+#include "chrome/browser/android/vr_shell/vr_tab_helper.h"
+#endif  // BUILDFLAG(ENABLE_VR)
+
+#endif  // defined(OS_ANDROID)
 
 using content::BrowserThread;
 using content::NavigationController;
 using content::NavigationEntry;
 
 namespace {
 
 ContentSetting GetSettingFromStatus(
     DownloadRequestLimiter::DownloadStatus status) {
   switch (status) {
@@ skipping 158 matching lines @@
   // WARNING: We've been deleted.
 }
 
 void DownloadRequestLimiter::TabDownloadState::PromptUserForDownload(
     const DownloadRequestLimiter::Callback& callback) {
   callbacks_.push_back(callback);
   DCHECK(web_contents_);
   if (is_showing_prompt())
     return;
 
+#if BUILDFLAG(ENABLE_VR) && defined(OS_ANDROID)
+  if (vr_shell::VrTabHelper::IsInVr(web_contents_)) {
+    Cancel();
+    return;
+  }
+#endif
+
   if (PermissionRequestManager::IsEnabled()) {
     PermissionRequestManager* permission_request_manager =
         PermissionRequestManager::FromWebContents(web_contents_);
     if (permission_request_manager) {
       permission_request_manager->AddRequest(
           new DownloadPermissionRequest(factory_.GetWeakPtr()));
     } else {
       Cancel();
     }
   } else {
@@ skipping 296 matching lines @@
       NOTREACHED();
   }
 }
 
 void DownloadRequestLimiter::Remove(TabDownloadState* state,
                                     content::WebContents* contents) {
   DCHECK(base::ContainsKey(state_map_, contents));
   state_map_.erase(contents);
   delete state;
 }