[Mac] Implement the cookie manager

chrome/browser/cocoa/preferences_window_controller.mm

Index: chrome/browser/cocoa/preferences_window_controller.mm
diff --git a/chrome/browser/cocoa/preferences_window_controller.mm b/chrome/browser/cocoa/preferences_window_controller.mm
index 0dd1f1eec58a5203f9a513a9316380a9d52554f7..ef2db1dee394b87fd4627d6575e236fc736913e6 100644
--- a/chrome/browser/cocoa/preferences_window_controller.mm
+++ b/chrome/browser/cocoa/preferences_window_controller.mm
@@ -16,6 +16,7 @@
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/browser_process.h"
 #import "chrome/browser/cocoa/clear_browsing_data_controller.h"
+#import "chrome/browser/cocoa/cookies_window_controller.h"
 #import "chrome/browser/cocoa/custom_home_pages_model.h"
 #import "chrome/browser/cocoa/font_language_settings_controller.h"
 #import "chrome/browser/cocoa/keyword_editor_cocoa_controller.h"
@@ -1299,6 +1300,14 @@ const int kDisabledIndex = 1;
   }
 }
 
+// Shows the cookies controller.
+- (IBAction)showCookies:(id)sender {
+  // The controller will clean itself up.
+  CookiesWindowController* controller =
+      [[CookiesWindowController alloc] initWithProfile:profile_];
+  [controller attachSheetTo:[self window]];
+}
+
 // Bring up an open panel to allow the user to set a new downloads location.
 - (void)browseDownloadLocation:(id)sender {
   NSOpenPanel* panel = [NSOpenPanel openPanel];