bug 1328964 use = default in WorkletGlobalScope and derived constructors r=baku

Addresses modernize-use-equals-default clang-tidy suggestions
in "part 1 - Remove the window from worklet".

MozReview-Commit-ID: KDPa70YCR1J

--HG--
extra : rebase_source : fcb4f1c0c07b74717c0914c8991af6d46cb417f3

dom/worklet/AudioWorkletGlobalScope.cpp

@@ -12,9 +12,7 @@
 namespace mozilla {
 namespace dom {
 
-AudioWorkletGlobalScope::AudioWorkletGlobalScope()
-{
-}
+AudioWorkletGlobalScope::AudioWorkletGlobalScope() = default;
 
 bool
 AudioWorkletGlobalScope::WrapGlobalObject(JSContext* aCx,

dom/worklet/PaintWorkletGlobalScope.cpp

@@ -12,9 +12,7 @@
 namespace mozilla {
 namespace dom {
 
-PaintWorkletGlobalScope::PaintWorkletGlobalScope()
-{
-}
+PaintWorkletGlobalScope::PaintWorkletGlobalScope() = default;
 
 bool
 PaintWorkletGlobalScope::WrapGlobalObject(JSContext* aCx,

dom/worklet/WorkletGlobalScope.cpp

@@ -34,9 +34,7 @@ NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(WorkletGlobalScope)
   NS_INTERFACE_MAP_ENTRY(WorkletGlobalScope)
 NS_INTERFACE_MAP_END
 
-WorkletGlobalScope::WorkletGlobalScope()
-{
-}
+WorkletGlobalScope::WorkletGlobalScope() = default;
 
 JSObject*
 WorkletGlobalScope::WrapObject(JSContext* aCx,