Change CookieStore::DeleteCallback to take uint32_t.

content/browser/storage_partition_impl.cc

Index: content/browser/storage_partition_impl.cc
diff --git a/content/browser/storage_partition_impl.cc b/content/browser/storage_partition_impl.cc
index 7e6db8187d43d44fb23bcf286de51337605d7146..7498f19d81cb9eb9851a3c66b32be6a1f9ef597a 100644
--- a/content/browser/storage_partition_impl.cc
+++ b/content/browser/storage_partition_impl.cc
@@ -5,6 +5,7 @@
 #include "content/browser/storage_partition_impl.h"
 
 #include <stddef.h>
+#include <stdint.h>
 
 #include <set>
 #include <vector>
@@ -63,7 +64,7 @@ bool DoesCookieMatchHost(const std::string& host,
   return cookie.IsHostCookie() && cookie.IsDomainMatch(host);
 }
 
-void OnClearedCookies(const base::Closure& callback, int num_deleted) {
+void OnClearedCookies(const base::Closure& callback, uint32_t num_deleted) {
   // The final callback needs to happen from UI thread.
   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     BrowserThread::PostTask(