Bug 51557 [formatter] pref page - restore defaults should select "Default" profile
Clicking on "Restore Defaults" should select the "Default [built-in]" profile.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/formatter/CodingStyleConfigurationBlock.java
final Button button= (Button)e.widget;
			if (button == fSaveButton)
				saveButtonPressed();
			else if (button == fEditButton)
				modifyButtonPressed();
			else if (button == fDeleteButton) 
				deleteButtonPressed();
			else if (button == fNewButton)
				newButtonPressed();
			else if (button == fLoadButton)
				loadButtonPressed();
			else if (button == fRenameButton) 
				renameButtonPressed();
		}
		
		public void widgetDefaultSelected(SelectionEvent e) {
		}
		
		private void renameButtonPressed() {
			if (!(fProfileManager.getSelected() instanceof CustomProfile)) return;
			final CustomProfile profile= (CustomProfile)fProfileManager.getSelected();
			final RenameProfileDialog renameDialog= new RenameProfileDialog(fComposite.getShell(), profile);
			renameDialog.open();
		}
		
		private void modifyButtonPressed() {
			final ModifyDialog modifyDialog= new ModifyDialog(fComposite.getShell(), fProfileManager.getSelected(), false);
			modifyDialog.open();
		}