Remove UIWebView's key bord top bar.

UIWindow *keyboardWindow = nil;

- (void)removeBar { 

    // Locate UIWebFormView.

    for (UIWindow *testWindow in [[UIApplication sharedApplication] windows]) {

        if (![[testWindow class] isEqual:[UIWindow class]]) {

            keyboardWindow = testWindow;

            // Locate UIWebFormView.

            for (UIView *possibleFormView in [keyboardWindow subviews]) {       

                // iOS 5 sticks the UIWebFormView inside a UIPeripheralHostView.

                if ([[possibleFormView description] rangeOfString:@"UIPeripheralHostView"].location != NSNotFound) {

                    for (UIView *subviewWhichIsPossibleFormView in [possibleFormView subviews]) {

                        NSRange range = [[subviewWhichIsPossibleFormView description] rangeOfString:@"UIWebFormAccessory"];

                        if (range.location != NSNotFound) {

                            [subviewWhichIsPossibleFormView removeFromSuperview]; 

                        }

                    }

                }

            } 

        }

    }   

}