Oilpan: Update a comment for the WTF_ANNOTATE_LEAKING_OBJECT_PTR macro in PageMemory

This is a follow-up CL for r173508.

BUG=369429
NOTRY=true

Review URL: https://codereview.chromium.org/278433007

git-svn-id: svn://svn.chromium.org/blink/trunk@173632 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Gardening: Mark for rebaseline virtual/mac-antialiasedtext/fast/text/decorations-transformed.html

The base test was marked for rebaseline on Mac at r173588
Autorebaseline happened at r173623

BUG=
TBR=ojan, enne
NOTRY=true

Review URL: https://codereview.chromium.org/275433010

git-svn-id: svn://svn.chromium.org/blink/trunk@173633 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Oilpan: Prepare to move FormAssociatedElement to Oilpan heap, part 1.

FormAssociatedElement should be GarbageCollectedMixin, and this CL replaces
existing RefPtr<FormAssociatedElement> with Oilpan transition types.

This CL doesn't handle existing FormAssociatedElement raw pointers. The next CL
will handle them.

This CL moves ValidityState to Oilpan heap because ValidityState depends on
FormAssociatedElement::ref() and deref().

BUG=357163

Review URL: https://codereview.chromium.org/271533009

git-svn-id: svn://svn.chromium.org/blink/trunk@173634 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: handle InspectorFrontendHost.inspectedURLChanged on browser side (Blink part).

R=vsevik@chromium.org

Review URL: https://codereview.chromium.org/278583003

git-svn-id: svn://svn.chromium.org/blink/trunk@173635 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: remove ugly black border from screencast, brush up styles.

R=kaznacheev@chromium.org

Review URL: https://codereview.chromium.org/272753002

git-svn-id: svn://svn.chromium.org/blink/trunk@173636 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Stop using SVGElementInstance in SVGElement

Stop using SVGElementInstance in SVGElement since we want to remove it.

BUG=313438

Review URL: https://codereview.chromium.org/272623003

git-svn-id: svn://svn.chromium.org/blink/trunk@173637 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Fix coding style violation in UserGestureToken's ctor

BUG=none
TBR=mkwst@chromium.org

Review URL: https://codereview.chromium.org/274563010

git-svn-id: svn://svn.chromium.org/blink/trunk@173638 bbb929c8-8fbe-4397-9dbb-9b2b20218538