Switch to standard integer types in net/.

BUG=488550
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Review URL: https://codereview.chromium.org/1535363003 .

Cr-Commit-Position: refs/heads/master@{#366297}
diff --git a/net/cookies/cookie_monster.cc b/net/cookies/cookie_monster.cc
index 03b2e9434..2227711 100644
--- a/net/cookies/cookie_monster.cc
+++ b/net/cookies/cookie_monster.cc
@@ -48,11 +48,11 @@
 #include <functional>
 #include <set>
 
-#include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/logging.h"
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
@@ -1573,7 +1573,7 @@
 
   for (std::vector<CanonicalCookie*>::const_iterator it = cookies.begin();
        it != cookies.end(); ++it) {
-    int64 cookie_creation_time = (*it)->CreationDate().ToInternalValue();
+    int64_t cookie_creation_time = (*it)->CreationDate().ToInternalValue();
 
     if (creation_times_.insert(cookie_creation_time).second) {
       CookieMap::iterator inserted =