Fix compile error on XCode4 / clang.

Fixes XCode4.2 compilation error: method attribute can only be specified on method declarations [-Werror,2]
This is a result of XCode4.2 adding "-DIBAction=void)__attribute__((ibaction)" magic.

BUG=102429
TEST=compile under XCode4.2
R=thakis@chromium.org


Review URL: http://codereview.chromium.org/8432015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@108041 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/cocoa/infobars/translate_infobar_base.mm

@@ -500,7 +500,7 @@ InfoBar* TranslateInfoBarDelegate::CreateInfoBar(InfoBarTabHelper* owner) {
 }
 
 // Called when "Translate" button is clicked.
-- (IBAction)ok:(id)sender {
+- (void)ok:(id)sender {
   if (![self isOwned])
     return;
   TranslateInfoBarDelegate* delegate = [self delegate];
@@ -512,7 +512,7 @@ InfoBar* TranslateInfoBarDelegate::CreateInfoBar(InfoBarTabHelper* owner) {
 }
 
 // Called when someone clicks on the "Nope" button.
-- (IBAction)cancel:(id)sender {
+- (void)cancel:(id)sender {
   if (![self isOwned])
     return;
   TranslateInfoBarDelegate* delegate = [self delegate];