Bug 310665 [Browser] 'Web Browser' preference page ignores cancellation
I20100426-0852 1. Window > Preferences > General > Web Browser 2. In Windows XP, I see "Default system web browser", "Firefox", and "Internet Explorer". 3. Select IE. Click the 'Remove' button. 4. Click 'Cancel'. 5. Redo step 1. 6. Window > Preferences 7. IE is gone. :(
bundles/org.eclipse.ui.browser/src/org/eclipse/ui/internal/browser/BrowserDescriptorWorkingCopy.java
protected BrowserDescriptor browser;
	
	public BrowserDescriptorWorkingCopy() {
		
	}
	
	public BrowserDescriptorWorkingCopy(BrowserDescriptor browser) {
		this.browser = browser;
		setInternal(browser);
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.internal.browser.IBrowserDescriptorWorkingCopy#setName(java.lang.String)
	 */
	public void setName(String name) {
		if (name == null)
			throw new IllegalArgumentException();
		this.name = name;
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.internal.browser.IBrowserDescriptorWorkingCopy#setLocation(java.lang.String)
	 */
	public void setLocation(String location) {
		this.location = location;