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

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.h"
 
 #include <cmath>
 
 #include "base/mac/mac_util.h"
 #import "base/mac/sdk_forward_declarations.h"
@@ skipping 97 matching lines @@
     return;
   }
 
   CreatePopupIfNeeded();
 
   NSImage* answerImage = nil;
   if (!model_->answer_bitmap().isNull()) {
     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]];
 
   // Update the selection before placing (and displaying) the window.
   PaintUpdatesNow();
 
   // Calculate the matrix size manually rather than using -sizeToCells
   // because actually resizing the matrix messed up the popup size
   // animation.
@@ skipping 226 matching lines @@
   return NSImageFromImageSkia(
       gfx::CreateVectorIcon(vector_icon_id, kIconSize, icon_color));
 }
 
 void OmniboxPopupViewMac::OpenURLForRow(size_t row,
                                         WindowOpenDisposition disposition) {
   DCHECK_LT(row, GetResult().size());
   omnibox_view_->OpenMatch(GetResult().match_at(row), disposition, GURL(),
                            base::string16(), row);
 }