ES6: Error functions should extend Error

ES6: Error functions should extend Error

The /NativeError/ functions should have Error as their [[Prototype]].

http://people.mozilla.org/~jorendorff/es6-draft.html#sec-properties-of-the-nativeerror-constructors

BUG=v8:3998
LOG=N
R=adamk, dslomov@chromium.org
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1049323003

Cr-Commit-Position: refs/heads/master@{#27572}