Bug 1445662 - Annotate remaining PAPZCTreeManager-invoked methods with threading constraints. r=rhunt

These methods are already guaranteed to be called on the controller
thread.

MozReview-Commit-ID: 4pfUZe6cI8e

--HG--
extra : rebase_source : 9ad24c0bb2e45bbd63e0a2febc14391e1a28f274

gfx/layers/apz/src/APZCTreeManager.cpp

@@ -306,6 +306,8 @@ void
 APZCTreeManager::SetAllowedTouchBehavior(uint64_t aInputBlockId,
                                          const nsTArray<TouchBehaviorFlags> &aValues)
 {
+  APZThreadUtils::AssertOnControllerThread();
+
   mInputQueue->SetAllowedTouchBehavior(aInputBlockId, aValues);
 }
 
@@ -731,6 +733,8 @@ void
 APZCTreeManager::StartScrollbarDrag(const ScrollableLayerGuid& aGuid,
                                     const AsyncDragMetrics& aDragMetrics)
 {
+  APZThreadUtils::AssertOnControllerThread();
+
   RefPtr<AsyncPanZoomController> apzc = GetTargetAPZC(aGuid);
   if (!apzc) {
     NotifyScrollbarDragRejected(aGuid);
@@ -745,6 +749,8 @@ bool
 APZCTreeManager::StartAutoscroll(const ScrollableLayerGuid& aGuid,
                                  const ScreenPoint& aAnchorLocation)
 {
+  APZThreadUtils::AssertOnControllerThread();
+
   RefPtr<AsyncPanZoomController> apzc = GetTargetAPZC(aGuid);
   if (!apzc) {
     if (XRE_IsGPUProcess()) {
@@ -764,6 +770,8 @@ APZCTreeManager::StartAutoscroll(const ScrollableLayerGuid& aGuid,
 void
 APZCTreeManager::StopAutoscroll(const ScrollableLayerGuid& aGuid)
 {
+  APZThreadUtils::AssertOnControllerThread();
+
   if (RefPtr<AsyncPanZoomController> apzc = GetTargetAPZC(aGuid)) {
     apzc->StopAutoscroll();
   }