Update tracked buffer bindings on glBindBufferBase and glBindBufferRange.

When buffers are bound to the indexed binding points, they are also bound
to the generic binding points.

TEST=ES3MapBufferRangeTest

BUG=754008
BUG=602688

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
Change-Id: Ic626961d556d155d9d1b2cf584ac57c91e7f4496
Reviewed-on: https://chromium-review.googlesource.com/609266
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#493485}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 062c3d87579761d0a076933afca57d841914eea8
1 file changed