InlinedVisitor: Migrate dom to use inlined tracing

InlinedVisitor: Migrate dom to use inlined tracing

Updates trace methods as of https://groups.google.com/a/chromium.org/d/msg/blink-dev/oi4Snt9jNx8/XcES55c7QaQJ

R=oilpan-reviews
BUG=455524
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=190729

[tkent, 2015-02-24 07:55:08]

tkent@chromium.org changed reviewers:
+ tkent@chromium.org

[tkent, 2015-02-24 07:55:08]

The CQ bit was checked by tkent@chromium.org

[tkent, 2015-02-24 07:55:10]

lgtm

[commit-bot: I haz the power, 2015-02-24 07:56:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/947393002/1

[commit-bot: I haz the power, 2015-02-24 09:10:43]

Committed patchset #1 (id:1) as
https://src.chromium.org/viewvc/blink?view=rev&revision=190729

[haraken, 2015-02-24 09:18:34]

haraken@chromium.org changed reviewers:
+ haraken@chromium.org

[haraken, 2015-02-24 09:18:36]

LGTM

https://codereview.chromium.org/947393002/diff/1/Source/core/dom/ElementData.h
File Source/core/dom/ElementData.h (right):

https://codereview.chromium.org/947393002/diff/1/Source/core/dom/ElementData....
Source/core/dom/ElementData.h:82: DECLARE_TRACE_AFTER_DISPATCH();

Add a comment on why we need traceAfterDispatch.

https://codereview.chromium.org/947393002/diff/1/Source/core/dom/NodeRareData.h
File Source/core/dom/NodeRareData.h (right):

https://codereview.chromium.org/947393002/diff/1/Source/core/dom/NodeRareData...
Source/core/dom/NodeRareData.h:111: DECLARE_TRACE_AFTER_DISPATCH();

Add a comment on why we need traceAfterDispatch.

https://codereview.chromium.org/947393002/diff/1/Source/core/dom/Text.cpp
File Source/core/dom/Text.cpp (right):

https://codereview.chromium.org/947393002/diff/1/Source/core/dom/Text.cpp#new...
Source/core/dom/Text.cpp:449:
increaseExternallyAllocatedBytesAliveIfNeeded(m_data.length());

Sigbjorn: Do we want to call increaseExternallyAllocatedBytesAlive in a visitor
other than InlineGlobalMarkingVisitor?