import changes from `dev' branch of rmottola/Arctic-Fox:

- Bug 1170676: Fix null dereference in PluginModuleParent::StreamCast; r=jimm (72e60e403)
- Bug 1164543 - Remove gAllInstances from PluginModuleChild (r=jimm) (15e035939)
- Bug 1164543 - Make plugin shutdown async in e10s (r=jimm) (e5239585f)
- Bug 1195527 - Part 1: Move D3D11 texture allocation into the TextureClient. r=jrmuizel (16e67d7e8)
- Bug 1195527 - Part 2: Add D3D11 video TextureClient recycler. r=jrmuizel (2c44d311b)
- more stuff todo (7b1bce288)
- Bug 1136945 - Add to Debugger.Memory docs possible outcomes of the nonincrementalReason in the onGarbageCollection event. r=fitzgen (33c6408ff)
- pointer style (05cc032b4)
- Bug 1197970 - Expose the GC cycle's number through Debugger.Memory's onGarbageCollection hook. r=sfink (5a420105f)
- Bug 1168992 - Part 1: Fix up reflection of classes. (r=Waldo) (5346e941b)
- Bug 1168992 - Part 2: Fix reflection of new.target. (r=Waldo) (38701b76d)
- Bug 1179063 - Hook up FunctionBox directly to the JSFunction being parsed to avoid allocating extra static scopes. (r=efaust) (d35252e18)
- Bug 1084319: Actually patter-match SIMD.bool (rebasing mistake); r=nbp (0980117b4)
- Bug 1200809 part 1 - Add InlinableNatives JitInfo infrastructure, use it for Math natives. r=bz,nbp (141e78aac)
- Bug 1193280 - Part 1: test stack trace handling of native frames with dedicated function. r=fitzgen (dd1c63891)
- Bug 1193280 - Part 2: Self-host Array.prototype.filter. r=jandem (82cbe1512)
- Bug 1200782 - Inline Array.isArray when we know the result statically. r=bhackett (546917507)
- Bug 1200809 part 2 - Convert Array natives to new InlinableNatives system. r=nbp (901aae723)
- Bug 1200809 part 3 - Convert String/RegExp natives to new InlinableNatives system. r=nbp (8e8eb68fd)
- Bug 1200809 part 4 - Convert Atomics natives to new InlinableNatives system. r=lth (430d8a6b8)

gfx/layers/client/TextureClient.cpp

@@ -571,6 +571,7 @@ TextureClient::KeepUntilFullDeallocation(UniquePtr<KeepAlive> aKeep, bool aMainT
 void TextureClient::ForceRemove(bool sync)
 {
   if (mValid && mActor) {
+    FinalizeOnIPDLThread();
     if (sync || GetFlags() & TextureFlags::DEALLOCATE_CLIENT) {
       MOZ_PERFORMANCE_WARNING("gfx", "TextureClient/Host pair requires synchronous deallocation");
       if (mActor->IPCOpen()) {