Remove ListValue::Append(new {Fundamental,String}Value(...)) pattern in //gpu

The raw pointer overload of ListValue::Append() is deprecated and will
be removed. Instead, code should just write:
- ListValue::AppendBoolean()
- ListValue::AppendInteger()
- ListValue::AppendDouble()
- ListValue::AppendString()

BUG=581865
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_optional_gpu_tests_rel;tryserver.chromium.mac:mac_optional_gpu_tests_rel;tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2036723003
Cr-Commit-Position: refs/heads/master@{#397604}
1 file changed