Revert of gpu: Add a util method to set crash-keys from a GPUInfo. (patchset #2 id:20001 of https://codereview.chromium.org/2751103008/ )

Reason for revert:
causes size regression see crbug.com/703622

Original issue's description:
> gpu: Add a util method to set crash-keys from a GPUInfo.
>
> Use the newly introduced util method to set crash-keys from a GPUInfo
> in both chrome and android_webview. This will also be used in mus.
>
> BUG=643746
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
>
> Review-Url: https://codereview.chromium.org/2751103008
> Cr-Commit-Position: refs/heads/master@{#458276}
> Committed: https://chromium.googlesource.com/chromium/src/+/1432276fb82ae8e9b732faa03ab65f35d686017f

TBR=boliu@chromium.org,bradnelson@chromium.org,rsesek@chromium.org,piman@chromium.org,jam@chromium.org,sadrul@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=643746,703622

Review-Url: https://codereview.chromium.org/2770953002
Cr-Commit-Position: refs/heads/master@{#458968}
9 files changed