Bug 90528 Editor icon does not show problem decoration for second instance
3.1 M6 - open a .java file that has errors or warnings - the editor tab icon has the problem decoration - Window > New Window - open the same file in the new window - the editor tab icon is missing the problem decoration
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/CompilationUnitEditor.java
return false;
			return super.requestWidgetToken(requester);
		}
		
		/*
		 * @see IWidgetTokenOwnerExtension#requestWidgetToken(IWidgetTokenKeeper, int)
		 * @since 3.0
		 */
		public boolean requestWidgetToken(IWidgetTokenKeeper requester, int priority) {
			if (PlatformUI.getWorkbench().getHelpSystem().isContextHelpDisplayed())
				return false;
			return super.requestWidgetToken(requester, priority);
		}
		/*
		 * @see org.eclipse.jface.text.source.ISourceViewer#configure(org.eclipse.jface.text.source.SourceViewerConfiguration)
		 */
		public void configure(SourceViewerConfiguration configuration) {
			super.configure(configuration);
			fCorrectionAssistant= new JavaCorrectionAssistant(CompilationUnitEditor.this);
			fCorrectionAssistant.install(this);
		}
		
		/*
		 * @see org.eclipse.jface.text.source.SourceViewer#createFormattingContext()
		 * @since 3.0
		 */
		public IFormattingContext createFormattingContext() {
			IFormattingContext context= new CommentFormattingContext();
			
			Map preferences;