parameterize http response header tests

Followup to https://codereview.chromium.org/391763002 to allow this
to build on more compilers (which can fail when using structs defined
in funtions in arraysize calls- as mentioned in base/macros.h).

By refactoring to use TEST_P we can skip the manual loop entirely.

BUG=348877
TEST=net_unittests --gtest_filter=Http*

Review URL: https://codereview.chromium.org/448373003

Cr-Commit-Position: refs/heads/master@{#291025}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@291025 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed