GitLab

Switching from testing::CreateFunctor to a C++ lambda is
slightly easier to understand, but allows the deletion of
an upcoming CL to delete gmock_mutant.h.

Bug: 1007833, 806952
Change-Id: Ib210a0c92090ca330f99b695a3256c981f7f14e5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1887661Reviewed-by: Xing Liu <xingliu@chromium.org>
Commit-Queue: Chris Mumford <cmumford@google.com>
Cr-Commit-Position: refs/heads/master@{#710424}