Switch to standard integer types in base/.

base/guid.h

Index: base/guid.h
diff --git a/base/guid.h b/base/guid.h
index abcc589f72d92af9c5456321133c0e3de3f01de2..c0a06f8858e3637aace7ebd03287e18b095e35e4 100644
--- a/base/guid.h
+++ b/base/guid.h
@@ -5,10 +5,11 @@
 #ifndef BASE_GUID_H_
 #define BASE_GUID_H_
 
+#include <stdint.h>
+
 #include <string>
 
 #include "base/base_export.h"
-#include "base/basictypes.h"
 #include "build/build_config.h"
 
 namespace base {
@@ -24,7 +25,7 @@ BASE_EXPORT bool IsValidGUID(const std::string& guid);
 
 #if defined(OS_POSIX)
 // For unit testing purposes only.  Do not use outside of tests.
-BASE_EXPORT std::string RandomDataToGUIDString(const uint64 bytes[2]);
+BASE_EXPORT std::string RandomDataToGUIDString(const uint64_t bytes[2]);
 #endif
 
 }  // namespace base