Bug 204935 [Markers] MarkersView should use fixed default widths
The MarkersView should use fixed rather than proportional widths as columns are getting very small when the workbench is restarted with a small markers view.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/api/MarkerField.java
return null;
		}
	}
	/**
	 * @return The image to be displayed in the column header for this field or
	 *         <code>null<code>.
	 */
	public Image getColumnHeaderImage() {
		String path = configurationElement
				.getAttribute(MarkerSupportConstants.ATTRIBUTE_ICON);
		if (path == null)
			return null;
		URL url = BundleUtility.find(configurationElement.getContributor()
				.getName(), path);
		if (url == null)
			return null;
		return IDEWorkbenchPlugin.getDefault().getResourceManager()
				.createImageWithDefault(ImageDescriptor.createFromURL(url));
	}
	/**
	 * @return The text to be displayed in the column header for this field.
	 */
	public String getColumnHeaderText() {
		return configurationElement.getAttribute(MarkerSupportConstants.ATTRIBUTE_NAME);
	}
	/**
	 * Get the column weight. A value of 1 (the default) indicates that it
	 * should be roughly equal to the other columns.
	 * 
	 * @return float