cc: Use std::is_same in resource_util.h.
cc: Use std::is_same in resource_util.h.

Replace user implementation of type checking by std::is_same as all
platforms now compile using C++11.

BUG=
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1900053002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#388342}

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