Remove now-unusd inspector settings methods in WebView.

TBR=abarth
BUG=399506

Review URL: https://codereview.chromium.org/468103004

git-svn-id: svn://svn.chromium.org/blink/trunk@180797 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Fix accessibility crash when the same SVG remote image is referenced twice in the same document.

BUG=383978

Review URL: https://codereview.chromium.org/496403002

git-svn-id: svn://svn.chromium.org/blink/trunk@180798 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Fix squashing to treat perspective and preserve3d elements as transform ancestors.

This is necessary because they can affect the local transform of an element, so
elements with different perspecitive/transform3d ancestors cannot squash together.

BUG=404953,403819
R=vollick@chromium.org

Review URL: https://codereview.chromium.org/497153003

git-svn-id: svn://svn.chromium.org/blink/trunk@180799 bbb929c8-8fbe-4397-9dbb-9b2b20218538