[vr] Deny permission requests in VR mode

chrome/browser/permissions/permission_request_manager.cc

Index: chrome/browser/permissions/permission_request_manager.cc
diff --git a/chrome/browser/permissions/permission_request_manager.cc b/chrome/browser/permissions/permission_request_manager.cc
index 494b8804e62fc2f00771613833df54b4c931a36d..2a8f1725fc4ddc0b5bafcb120218b365ad5c8629 100644
--- a/chrome/browser/permissions/permission_request_manager.cc
+++ b/chrome/browser/permissions/permission_request_manager.cc
@@ -18,8 +18,13 @@
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_handle.h"
+#include "device/vr/features/features.h"
 #include "url/origin.h"
 
+#if BUILDFLAG(ENABLE_VR) && defined(OS_ANDROID)
+#include "chrome/browser/android/vr_shell/vr_tab_helper.h"
+#endif  // BUILDFLAG(ENABLE_VR) && defined(OS_ANDROID)
+
 namespace {
 
 class CancelledRequest : public PermissionRequest {
@@ -136,6 +141,12 @@ void PermissionRequestManager::AddRequest(PermissionRequest* request) {
   // TODO(tsergeant): change the UMA to no longer mention bubbles.
   base::RecordAction(base::UserMetricsAction("PermissionBubbleRequest"));
 
+  if (PermissionRequestsDisabled()) {
+    request->PermissionDenied();

[raymes, 2017/07/11 01:43:23]

nit: you may want to change this to Cancelled() since it wasn't an active denial
by the user.

[raymes, 2017/07/11 01:44:37]

Ignore this - after I thought through it more I think it's better to add a
separate function to PermissionRequest for this case.

+    request->RequestFinished();
+    return;
+  }
+
   // TODO(gbillock): is there a race between an early request on a
   // newly-navigated page and the to-be-cleaned-up requests on the previous
   // page? We should maybe listen to DidStartNavigationToPendingEntry (and
@@ -533,3 +544,11 @@ void PermissionRequestManager::DoAutoResponseForTesting() {
       NOTREACHED();
   }
 }
+
+bool PermissionRequestManager::PermissionRequestsDisabled() const {
+#if BUILDFLAG(ENABLE_VR) && defined(OS_ANDROID)
+  return vr_shell::VrTabHelper::IsInVr(web_contents());
+#else
+  return false;
+#endif
+}