remove 'removeDisplay' method

Author: 41zu

bundles/org.eclipse.rap.rwt/src/org/eclipse/swt/internal/widgets/DisplaysHolder.java

@@ -20,8 +20,9 @@
 
 
 public final class DisplaysHolder {
+
   private final Map<Thread, WeakReference<Display>> displays;
-  
+
   public DisplaysHolder() {
     displays = Collections.synchronizedMap( new WeakHashMap<>() );
   }
@@ -32,12 +33,10 @@ public void addDisplay( Thread tread, Display display ) {
 
   public Display getDisplay( Thread thread ) {
     WeakReference<Display> wr = displays.get( thread );
-    if ( wr != null )
+    if ( wr != null ) {
       return wr.get();
+    }
     return null;
   }
 
-  public void removeDisplay( Thread thread ) {
-    displays.remove( thread );
-  }
 }

bundles/org.eclipse.rap.rwt/src/org/eclipse/swt/widgets/Display.java

@@ -2215,7 +2215,7 @@ private void register() {
   }
 
   private void deregister() {
-    removeDisplay();
+
   }
 
   private static Display getDisplay( Thread thread ) {
@@ -2226,10 +2226,6 @@ private void addDisplay( Display display ) {
     getApplicationContext().getDisplaysHolder().addDisplay( thread, display );
   }
 
-  private void removeDisplay() {
-    ContextProvider.getApplicationContext().getDisplaysHolder().removeDisplay( thread );
-  }
-
   /////////////////////
   // Consistency checks