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* Use the standard integer types from stdint.h instead.
* Use macros.h for the DISALLOW_COPY_AND_ASSIGN macro.

BUG=138542
TEST=sql_unittests
R=shess@chromium.org

Review URL: https://codereview.chromium.org/1133053004

Cr-Commit-Position: refs/heads/master@{#329256}