Fix crash when a new page loads while the previous page's context menu is active, and Customize is in the toolbar (bug 168051). r=pinkerton.

camino/src/browser/BrowserWindowController.h

@@ -199,7 +199,6 @@ typedef enum
 - (void)loadURL:(NSString*)aURLSpec referrer:(NSString*)aReferrer activate:(BOOL)activate;
 - (void)updateLocationFields:(NSString *)locationString;
 - (void)updateSiteIcons:(NSImage *)siteIconImage;
-- (void)updateToolbarItems;
 - (void)loadingStarted;
 - (void)loadingDone;
 - (void)focusURLBar;

camino/src/browser/BrowserWindowController.mm

@@ -982,21 +982,14 @@ static NSArray* sToolbarDefaults = nil;
 
 - (void)loadingStarted
 {
-  [self updateToolbarItems];
   [self startThrobber];
 }
 
 - (void)loadingDone
 {
-  [self updateToolbarItems];
   [self stopThrobber];
   [mHistoryDataSource refresh];
 }
-   
-- (void)updateToolbarItems
-{
-  [[[self window] toolbar] validateVisibleItems];
-}
 
 - (void)performAppropriateLocationAction
 {