WebCrypto: Fix an un-initialized value in the mock implementation of importKey()

BUG=245025

Review URL: https://chromiumcodereview.appspot.com/21044004

git-svn-id: svn://svn.chromium.org/blink/trunk@155150 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Initial value of @font-face's font-variant property should be 'normal'

When @font-face does not have a font-variant property, it was defaulted to
'normal,small-caps' (all supported variants). The spec says the initial
value is 'normal'.

spec: http://www.w3.org/TR/css3-fonts/#propdef-font-variant

Review URL: https://chromiumcodereview.appspot.com/21190003

git-svn-id: svn://svn.chromium.org/blink/trunk@155151 bbb929c8-8fbe-4397-9dbb-9b2b20218538