First pass at fixing guest browser cookies issue.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index f438efd2273adeda29b552ea373597101c6020ed..ff3ac9cf1721a0c23b8635252150c4c8866a5453 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -65,6 +65,7 @@
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_destroyer.h"
+#include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profile_metrics.h"
 #include "chrome/browser/repost_form_warning_controller.h"
 #include "chrome/browser/search/search.h"
@@ -511,9 +512,17 @@ Browser::~Browser() {
 
   if (profile_->IsOffTheRecord() &&
       !BrowserList::IsOffTheRecordSessionActiveForProfile(profile_)) {
-    // An incognito profile is no longer needed, this indirectly frees
-    // its cache and cookies once it gets destroyed at the appropriate time.
-    ProfileDestroyer::DestroyProfileWhenAppropriate(profile_);
+    if (profile_->IsGuestSession()) {
+      // The profile's BCKS's need to shutdown after Views shuts down.
+      base::MessageLoop::current()->PostTask(
+          FROM_HERE, base::Bind(&ProfileManager::DeleteProfile,
+                                base::Unretained(g_browser_process->profile_manager()),
+                                profile_));
+    } else {
+      // An incognito profile is no longer needed, this indirectly frees
+      // its cache and cookies once it gets destroyed at the appropriate time.
+      ProfileDestroyer::DestroyProfileWhenAppropriate(profile_);
+    }
   }
 
   // There may be pending file dialogs, we need to tell them that we've gone