Backed out 2 changesets (bug 1589913) on request from bz on a CLOSED TREE

Backed out changeset e8ee20fdf6ac (bug 1589913)
Backed out changeset 12d046056948 (bug 1589913)

browser/fxr/content/fxrui.js

@@ -6,7 +6,7 @@
 /* import-globals-from common.js */
 
 // Configuration vars
-let homeURL = "https://webxr.today/";
+let homeURL = "https://www.mozilla.org/en-US/";
 // Bug 1586294 - Localize the privacy policy URL (Services.urlFormatter?)
 let privacyPolicyURL = "https://www.mozilla.org/en-US/privacy/firefox/";
 let reportIssueURL = "https://mzl.la/fxr";

dom/base/Navigator.cpp

@@ -1402,8 +1402,7 @@ Promise* Navigator::Share(const ShareData& aData, ErrorResult& aRv) {
   // The spec does the "triggered by user activation" after the data checks.
   // Unfortunately, both Chrome and Safari behave this way, so interop wins.
   // https://github.com/w3c/web-share/pull/118
-  if (StaticPrefs::dom_webshare_requireinteraction() &&
-      !UserActivation::IsHandlingUserInput()) {
+  if (StaticPrefs::dom_webshare_requireinteraction() && !UserActivation::IsHandlingUserInput()) {
     NS_WARNING("Attempt to share not triggered by user activation");
     aRv.Throw(NS_ERROR_DOM_NOT_ALLOWED_ERR);
     return nullptr;
@@ -1481,47 +1480,22 @@ already_AddRefed<Promise> Navigator::GetVRDisplays(ErrorResult& aRv) {
     return nullptr;
   }
 
+  nsGlobalWindowInner* win = nsGlobalWindowInner::Cast(mWindow);
+  win->NotifyVREventListenerAdded();
+
   RefPtr<Promise> p = Promise::Create(mWindow->AsGlobal(), aRv);
   if (aRv.Failed()) {
     return nullptr;
   }
 
-  RefPtr<Navigator> self(this);
-#ifndef MOZ_WIDGET_ANDROID
-  RefPtr<BrowserChild> browser(BrowserChild::GetFrom(mWindow));
-  int browserID = browser->ChromeOuterWindowID();
-
-  browser->SendIsWindowSupportingWebVR(browserID)->Then(
-      GetCurrentThreadSerialEventTarget(), __func__,
-      [self, p](bool isSupportedLambda) {
-        if (isSupportedLambda) {
-#endif
-          nsGlobalWindowInner* win = nsGlobalWindowInner::Cast(self->mWindow);
-          win->NotifyVREventListenerAdded();
-          // We pass mWindow's id to RefreshVRDisplays, so
-          // NotifyVRDisplaysUpdated will be called asynchronously, resolving
-          // the promises in mVRGetDisplaysPromises.
-          if (!VRDisplay::RefreshVRDisplays(win->WindowID())) {
-            // Failed to refresh, reject the promise now
-            p->MaybeReject(NS_ERROR_FAILURE);
-          } else {
-            // Succeeded, so cache the promise to resolve later
-
-            self->mVRGetDisplaysPromises.AppendElement(p);
-          }
-#ifndef MOZ_WIDGET_ANDROID
-        } else {
-          // WebVR in this window is not supported, so resolve the promise
-          // with no displays available
-          nsTArray<RefPtr<VRDisplay>> vrDisplaysEmpty;
-          p->MaybeResolve(vrDisplaysEmpty);
-        }
-      },
-      [](const mozilla::ipc::ResponseRejectReason) {
-        MOZ_CRASH("Failed to make IPC call to IsWindowSupportingWebVR");
-      });
-#endif
+  // We pass mWindow's id to RefreshVRDisplays, so NotifyVRDisplaysUpdated will
+  // be called asynchronously, resolving the promises in mVRGetDisplaysPromises.
+  if (!VRDisplay::RefreshVRDisplays(win->WindowID())) {
+    p->MaybeReject(NS_ERROR_FAILURE);
+    return p.forget();
+  }
 
+  mVRGetDisplaysPromises.AppendElement(p);
   return p.forget();
 }
 

dom/ipc/BrowserParent.cpp

@@ -3996,19 +3996,5 @@ mozilla::ipc::IPCResult BrowserParent::RecvIsWindowSupportingProtectedMedia(
   return IPC_OK();
 }
 
-mozilla::ipc::IPCResult BrowserParent::RecvIsWindowSupportingWebVR(
-    const uint64_t& aOuterWindowID,
-    IsWindowSupportingWebVRResolver&& aResolve) {
-#ifdef XP_WIN
-  bool isFxrWindow =
-      FxRWindowManager::GetInstance()->IsFxRWindow(aOuterWindowID);
-  aResolve(!isFxrWindow);
-#else
-  aResolve(true);
-#endif
-
-  return IPC_OK();
-}
-
 }  // namespace dom
 }  // namespace mozilla

dom/ipc/BrowserParent.h

@@ -507,10 +507,6 @@ class BrowserParent final : public PBrowserParent,
       const uint64_t& aOuterWindowID,
       IsWindowSupportingProtectedMediaResolver&& aResolve);
 
-  mozilla::ipc::IPCResult RecvIsWindowSupportingWebVR(
-      const uint64_t& aOuterWindowID,
-      IsWindowSupportingWebVRResolver&& aResolve);
-
   void LoadURL(nsIURI* aURI);
 
   void ResumeLoad(uint64_t aPendingSwitchID);

dom/ipc/PBrowser.ipdl

@@ -1035,11 +1035,6 @@ parent:
      */
     async IsWindowSupportingProtectedMedia(uint64_t aOuterWindowID) returns(bool isSupported);
 
-    /**
-     * Fetches whether this window supports WebVR, which is sent back in response.
-     */
-    async IsWindowSupportingWebVR(uint64_t aOuterWindowID) returns(bool isSupported);
-
     /** Records a history visit. */
     async VisitURI(URIParams aURI, URIParams? aLastVisitedURI,
                    uint32_t aFlags);