Some PannerOptions dictionary members should be doubles

Some PannerOptions dictionary members should be doubles

Some of the dictionary members were incorrectly declared to be floats
when they should have been doubles.  The corresponding attributes
themselves are doubles so the members should match.

See https://webaudio.github.io/web-audio-api/#panneroptions

BUG=666471
TEST=constructor/panner.html updated

Review-Url: https://codereview.chromium.org/2508733006
Cr-Commit-Position: refs/heads/master@{#433217}
(cherry picked from commit a4eae706d4f07f9d297ce0f8d8cbc2bf07618598)

Committed: https://chromium.googlesource.com/chromium/src/+/6490317e95b58a3068a7c123904afaf4eb7a5467

[Raymond Toy, 2016-11-28 19:33:42]

Description was changed from

==========
Some PannerOptions dictionary members should be doubles

Some of the dictionary members were incorrectly declared to be floats
when they should have been doubles.  The corresponding attributes
themselves are doubles so the members should match.

See https://webaudio.github.io/web-audio-api/#panneroptions

BUG=666471
TEST=constructor/panner.html updated

Review-Url: https://codereview.chromium.org/2508733006
Cr-Commit-Position: refs/heads/master@{#433217}
(cherry picked from commit a4eae706d4f07f9d297ce0f8d8cbc2bf07618598)
==========

to

==========
Some PannerOptions dictionary members should be doubles

Some of the dictionary members were incorrectly declared to be floats
when they should have been doubles.  The corresponding attributes
themselves are doubles so the members should match.

See https://webaudio.github.io/web-audio-api/#panneroptions

BUG=666471
TEST=constructor/panner.html updated

Review-Url: https://codereview.chromium.org/2508733006
Cr-Commit-Position: refs/heads/master@{#433217}
(cherry picked from commit a4eae706d4f07f9d297ce0f8d8cbc2bf07618598)

Committed:
https://chromium.googlesource.com/chromium/src/+/6490317e95b58a3068a7c123904a...
==========

[Raymond Toy, 2016-11-28 19:33:44]

Committed patchset #1 (id:1) manually as
6490317e95b58a3068a7c123904afaf4eb7a5467 (tree was closed).