Bug 65031 [Preferences] Local History preference page doesn't use dialog font
RC1 see attached screen shot
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/FileStatesPage.java
prefs.getDefaultString(ResourcesPlugin.PREF_MAX_FILE_STATES));
		this.maxStateSizeText.setText(String.valueOf(megabytes));
		checkState();
	}
	/** 
	 * Perform the result of the OK from the receiver.
	 */
	public boolean performOk() {
		long longevityValue = validateLongTextEntry(longevityText);
		int maxFileStates = validateMaxFileStates();
		long maxStateSize = validateMaxFileStateSize();
		if (longevityValue == FAILED_VALUE
			|| maxFileStates == FAILED_VALUE
			|| maxStateSize == FAILED_VALUE)
			return false;
		IWorkspaceDescription description = getWorkspaceDescription();
		description.setFileStateLongevity(longevityValue * DAY_LENGTH);
		description.setMaxFileStates(maxFileStates);
		description.setMaxFileStateSize(maxStateSize * MEGABYTES);
		try {
			
			ResourcesPlugin.getWorkspace().setDescription(description);
		} catch (CoreException exception) {
			ErrorDialog.openError(
				getShell(),
				SAVE_ERROR_MESSAGE,
				exception.getMessage(),
				exception.getStatus());
			return false;
		}