Fix many memory leaks in chrome/browser/ui/cocoa/omnibox.

chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.mm

Index: chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.mm
diff --git a/chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.mm b/chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.mm
index 8dbaac18952fe565c0f962e909b38a08e12efb35..f5355de05b418819ac3a571b6389b875292bf56c 100644
--- a/chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.mm
+++ b/chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.mm
@@ -115,11 +115,11 @@ void OmniboxPopupViewMac::UpdatePopupAppearance() {
     answerImage =
         gfx::Image::CreateFrom1xBitmap(model_->answer_bitmap()).CopyNSImage();
   }
-  [matrix_ setController:[[OmniboxPopupTableController alloc]
+  [matrix_ setController:[[[OmniboxPopupTableController alloc]
                              initWithMatchResults:result
                                         tableView:matrix_
                                         popupView:*this
-                                      answerImage:answerImage]];
+                                      answerImage:answerImage] autorelease]];
   BOOL is_dark_theme = [matrix_ hasDarkTheme];
   [matrix_ setSeparator:[OmniboxPopupCell
                             createSeparatorStringForDarkTheme:is_dark_theme]];