make Inlay.updateSize() imply Inlay.repaint()

otherwise clients would always need to call the latter after the former

platform/editor-ui-api/src/com/intellij/openapi/editor/Inlay.java

@@ -58,9 +58,10 @@ public interface Inlay extends Disposable, UserDataHolderEx {
   int getWidthInPixels();
 
   /**
-   * Updates inlay's size by querying information from inlay's renderer.
+   * Updates inlay's size by querying information from inlay's renderer. Also, repaint the inlay.
    *
    * @see EditorCustomElementRenderer#calcWidthInPixels(Editor)
+   * @see #repaint()
    */
   void updateSize();
 

platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/ParameterHintsPresentationManager.java

@@ -105,7 +105,6 @@ public class ParameterHintsPresentationManager implements Disposable {
     MyRenderer renderer = (MyRenderer)hint.getRenderer();
     renderer.update(editor, newText, useAnimation);
     hint.updateSize();
-    hint.repaint();
     if (useAnimation) scheduleRendererUpdate(editor, hint);
   }
 

platform/platform-impl/src/com/intellij/openapi/editor/impl/InlayImpl.java

@@ -38,7 +38,12 @@ class InlayImpl extends RangeMarkerImpl implements Inlay, Getter<InlayImpl> {
   public void updateSize() {
     int oldWidth = myWidthInPixels;
     doUpdateSize();
-    if (oldWidth != myWidthInPixels) myEditor.getInlayModel().notifyChanged(this);
+    if (oldWidth != myWidthInPixels) {
+      myEditor.getInlayModel().notifyChanged(this);
+    }
+    else {
+      repaint();
+    }
   }
 
   @Override