Do not count MemoryCache reference in Resource::hasOneHandle

BUG=337425
R=japhet@chromium.org

Review URL: https://codereview.chromium.org/221813005

git-svn-id: svn://svn.chromium.org/blink/trunk@170698 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Remove software path from Filters: FEMorphology.

BUG=357672

Review URL: https://codereview.chromium.org/215973005

git-svn-id: svn://svn.chromium.org/blink/trunk@170699 bbb929c8-8fbe-4397-9dbb-9b2b20218538