Bug 106574 [KeyBindings] registry: General/Keys setting not saved or not restored
bundles/org.eclipse.jface/src/org/eclipse/jface/bindings/BindingManager.java
* This method completes in <code>O(1)</code>.
	 * </p>
	 */
	private final void clearCache() {
		if (DEBUG) {
			System.out.println("BINDINGS >> Clearing cache"); 
		}
		cachedBindings.clear();
		clearSolution();
	}
	/**
	 * <p>
	 * Clears the existing solution.
	 * </p>
	 * <p>
	 * This method completes in <code>O(1)</code>.
	 */
	private final void clearSolution() {
		setActiveBindings(null, null, null);
	}
	/**
	 * <p>
	 * Computes the bindings given the context tree, and inserts them into the
	 * <code>commandIdsByTrigger</code>. It is assumed that
	 * <code>locales</code>,<code>platforsm</code> and
	 * <code>schemeIds</code> correctly reflect the state of the application.
	 * This method does not deal with caching.
	 * </p>
	 * <p>
	 * This method completes in <code>O(n)</code>, where <code>n</code> is