Bug 71640 [IDE] use of deprecated IExtension.getDeclaringPluginDescriptor()
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/registry/MarkerImageProviderRegistry.java
protected boolean readElement(IConfigurationElement element) {
                if (element.getName().equals(TAG_PROVIDER)) {
                    addProvider(element);
                    return true;
                }
                return false;
            }
            public void readRegistry() {
                readRegistry(Platform.getPluginRegistry(),
                        IDEWorkbenchPlugin.IDE_WORKBENCH,
                        IDEWorkbenchPlugin.PL_MARKER_IMAGE_PROVIDER);
            }
        }
        new MarkerImageReader().readRegistry();
    }
    /**
     * Creates a descriptor for the marker provider extension