AudioContext::removeAutomaticPullNode() should be called in AudioNode::dispose()

AudioContext::removeAutomaticPullNode() should be called in AudioNode::dispose()

Currently, in oilpan builds, removeAutomaticPullNode() is called in AudioNode::dispose().
In non-oilpan builds, removeAutomaticPullNode() is called in AudioContext::markForDeletion().
We don't want to have different call paths between oilpan builds and non-oilpan builds.

Given that removeAutomaticPullNode() should be called when the AudioNode is destructed
(but before the associated AudioContext is gone), removeAutomaticPullNode() should always
be called in AudioNode::dispose().

BUG=340522
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=180232

[haraken, 2014-08-12 13:24:18]

PTAL

[tkent, 2014-08-14 02:25:32]

The CQ bit was checked by tkent@chromium.org

[tkent, 2014-08-14 02:25:33]

lgtm

[commit-bot: I haz the power, 2014-08-14 02:26:39]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/haraken@chromium.org/468473002/1

[commit-bot: I haz the power, 2014-08-14 04:17:36]

Committed patchset #1 (1) as 180232