Bug 305389 EclipsePartService: Add getInputParts(String inputUri): Collection
Add support for the new InputPart-Type with Input-URI
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/modeling/EPartService.java
public MPart findPart(String id);
	/**
	 * Returns a collection of all the parts that are being managed by this part service.
	 * 
	 * @return a collection of parts that are being managed by this service, never <code>null</code>
	 */
	public Collection<MPart> getParts();
	/**
	 * Returns the active part.
	 * 
	 * @return an active part within the scope of this service, or <code>null</code> if no part is
	 *         currently active
	 */
	public MPart getActivePart();
	/**
	 * Returns whether the specified part is currently visible to the end user.
	 * 
	 * @param part
	 *            the part to check
	 * @return <code>true</code> if the part is currently visible, <code>false</code> otherwise
	 */
	public boolean isPartVisible(MPart part);
	/**
	 * Creates a new part of the given id.
	 * 
	 * @param id
	 *            the identifier of the part, must not be <code>null</code>
	 * @return a new part of the given id, or <code>null</code> if no part descriptors can be found
	 *         that match the specified id
	 */