Remove caching of _drawParameter and use bounds instead of threadSafeBounds

AsyncDisplayKit/ASImageNode.mm

@@ -174,7 +174,7 @@ struct ASImageNodeDrawParameters {
   ASDN::MutexLocker l(_imageLock);
   
   _drawParameter = {
-    .bounds = self.threadSafeBounds,
+    .bounds = self.bounds,
     .opaque = self.opaque,
     .contentsScale = _contentsScaleForDisplay,
     .backgroundColor = self.backgroundColor,

AsyncDisplayKit/ASTextNode.mm

@@ -210,16 +210,9 @@ static NSArray *DefaultLinkAttributeNames = @[ NSLinkAttributeName ];
 - (void)setBounds:(CGRect)bounds
 {
   [super setBounds:bounds];
-  [self updateDrawingParameter];
   [self _invalidateRendererIfNeededForBoundsSize:bounds.size];
 }
 
-- (void)setBackgroundColor:(UIColor *)backgroundColor
-{
-  [super setBackgroundColor:backgroundColor];
-  [self updateDrawingParameter];
-}
-
 #pragma mark - Renderer Management
 
 - (ASTextKitRenderer *)_renderer
@@ -435,16 +428,18 @@ static NSArray *DefaultLinkAttributeNames = @[ NSLinkAttributeName ];
 
 #pragma mark - Drawing
 
-- (void)updateDrawingParameter
+- (NSObject *)drawParametersForAsyncLayer:(_ASDisplayLayer *)layer
 {
   std::lock_guard<std::recursive_mutex> l(_textLock);
   
   _drawParameter = {
     .backgroundColor = self.backgroundColor,
-    .bounds = self.threadSafeBounds
+    .bounds = self.bounds
   };
+  return nil;
 }
 
+
 - (void)drawRect:(CGRect)bounds withParameters:(id <NSObject>)p isCancelled:(asdisplaynode_iscancelled_block_t)isCancelledBlock isRasterizing:(BOOL)isRasterizing;
 {
   std::lock_guard<std::recursive_mutex> l(_textLock);