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Example usage is: CRSBLOG << "debug messages " << this; It should
serialize all objects in the same way as the regular LOG macro.

Bug: 874693
Change-Id: I761184f919129a62dbde741bf97cf4a1d1cdb1ad
Reviewed-on: https://chromium-review.googlesource.com/1181654
Commit-Queue: Daniel Rubery <drubery@chromium.org>
Reviewed-by: Varun Khaneja <vakh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584779}