Bug 20622 resize bug in "Override Method" [code manipulation]
When there's lot of methods potentially overrideable and I enlarge the override method view, the inner subfields do not enlarge accordingly. I enclose a screenshot that will make clear what I mean.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/actions/OverrideMethodQuery.java
inner.setLayout(layout);
			
			Tree tree= super.createTreeViewer(inner);
			tree.setLayoutData(new GridData(GridData.FILL_BOTH));
			
			Button flatListButton= new Button(inner, SWT.CHECK);
			flatListButton.setText(ActionMessages.getString("OverrideMethodQuery.groupMethodsByTypes")); 
			flatListButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
			
			flatListButton.addSelectionListener(new SelectionListener() {
				public void widgetSelected(SelectionEvent e) {
					boolean isSelected= (((Button) e.widget).getSelection());
					fContentProvider.setShowTypes(isSelected);
				}
				public void widgetDefaultSelected(SelectionEvent e) {
					widgetSelected(e);
				}
			});
			flatListButton.setSelection(fContentProvider.isShowTypes());
			return tree;		
		}
		/*
		 * @see org.eclipse.jface.window.Window#configureShell(Shell)
		 */
		protected void configureShell(Shell newShell) {
			super.configureShell(newShell);
			WorkbenchHelp.setHelp(newShell, IJavaHelpContextIds.OVERRIDE_TREE_SELECTION_DIALOG);
		}
	}
	private static class OverrideMethodContentProvider implements ITreeContentProvider {