The pattern of how our source files are listed in GYP files changed,
which in turn broke the parsing pattern that GCMole uses to gather a
list of files to check. Only 'cctest' file were checked, 'src' files
were being ignored.

R=cbruni@chromium.org

Review-Url: https://codereview.chromium.org/2065933002
Cr-Commit-Position: refs/heads/master@{#36962}