Deprecate URL.createObjectURL/revokeObjectURL in Service Workers

Deprecate URL.createObjectURL/revokeObjectURL in Service Workers

As a prelude to removal of these methods, slip a deprecation warning in.

Intent Thread: https://groups.google.com/a/chromium.org/d/msg/blink-dev/HuA7Ng9U0oc/CYvfMoeyBwAJ

BUG=604951
R=rbyers@chromium.org,mpearson@chromium.org

Review-Url: https://codereview.chromium.org/1938183002
Cr-Commit-Position: refs/heads/master@{#391951}
(cherry picked from commit 0ac96023be4cd86fec7404752ea61c7d6ede5ab0)

Committed: https://chromium.googlesource.com/chromium/src/+/364169fce92dc76d0e96b2c0970237cad179eb96

[jsbell, 2016-05-06 23:51:43]

Description was changed from

==========
Deprecate URL.createObjectURL/revokeObjectURL in Service Workers

As a prelude to removal of these methods, slip a deprecation warning in.

Intent Thread:
https://groups.google.com/a/chromium.org/d/msg/blink-dev/HuA7Ng9U0oc/CYvfMoey...

BUG=604951
R=rbyers@chromium.org,mpearson@chromium.org

Review-Url: https://codereview.chromium.org/1938183002
Cr-Commit-Position: refs/heads/master@{#391951}
(cherry picked from commit 0ac96023be4cd86fec7404752ea61c7d6ede5ab0)
==========

to

==========
Deprecate URL.createObjectURL/revokeObjectURL in Service Workers

As a prelude to removal of these methods, slip a deprecation warning in.

Intent Thread:
https://groups.google.com/a/chromium.org/d/msg/blink-dev/HuA7Ng9U0oc/CYvfMoey...

BUG=604951
R=rbyers@chromium.org,mpearson@chromium.org

Review-Url: https://codereview.chromium.org/1938183002
Cr-Commit-Position: refs/heads/master@{#391951}
(cherry picked from commit 0ac96023be4cd86fec7404752ea61c7d6ede5ab0)

Committed:
https://chromium.googlesource.com/chromium/src/+/364169fce92dc76d0e96b2c09702...
==========

[jsbell, 2016-05-06 23:51:45]

Committed patchset #1 (id:1) manually as
364169fce92dc76d0e96b2c0970237cad179eb96.

[Mark P, 2016-05-06 23:59:28]

histograms.xml lgtm

[Rick Byers, 2016-05-10 01:30:21]

LGTM