Fix crash due to unexpected Node deletion during MutationObserver registration book-keeping

R=inferno
BUG=260165

Review URL: https://chromiumcodereview.appspot.com/19303002

git-svn-id: svn://svn.chromium.org/blink/trunk@154264 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove entries for passing fast/forms/ tests.

BUG=244216,245558,245596,245670
TBR=keishi@chromium.org

Review URL: https://codereview.chromium.org/19281006

git-svn-id: svn://svn.chromium.org/blink/trunk@154266 bbb929c8-8fbe-4397-9dbb-9b2b20218538
SVGZoomAndPan shouldn't use bloatedCharacters

This one snuck by earlier because it was operating on an AtomicString.

Also, remove a call to bloatedCharacters in RenderBlockLineLayout.cpp. I meant to upload this in a separate CL, but it ended up in this one.

R=pdr
BUG=254708

Review URL: https://chromiumcodereview.appspot.com/19256005

git-svn-id: svn://svn.chromium.org/blink/trunk@154267 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Rebaseline of input[type=search] tests.

BUG=254971
TBR=keishi@chromium.org

Review URL: https://codereview.chromium.org/19330002

git-svn-id: svn://svn.chromium.org/blink/trunk@154268 bbb929c8-8fbe-4397-9dbb-9b2b20218538