Switch to standard integer types in extensions/browser/.

BUG=138542
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Review URL: https://codereview.chromium.org/1549643002

Cr-Commit-Position: refs/heads/master@{#366702}
diff --git a/extensions/browser/extension_throttle_manager.h b/extensions/browser/extension_throttle_manager.h
index 00b677f..5a5b284 100644
--- a/extensions/browser/extension_throttle_manager.h
+++ b/extensions/browser/extension_throttle_manager.h
@@ -8,7 +8,7 @@
 #include <map>
 #include <string>
 
-#include "base/basictypes.h"
+#include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/non_thread_safe.h"