Remove 'blink::WebSerializedOrigin' (1/4)
As part of the plan to rationalize Origins across Blink and its embedder,
we're dropping 'blink::WebSerializedOrigin' in favor of
'blink::WebSecurityOrigin' (which can serialize itself just fine).
Patch 1 (Chromium): This patch.
Patch 1 (Blink): https://codereview.chromium.org/
1240083002
Patch 2 (Chromium): https://codereview.chromium.org/
1229783005
Patch 3 (Blink): https://codereview.chromium.org/
1231643010
BUG=508896
R=jochen@chromium.org
Review URL: https://codereview.chromium.org/
1244563002
Cr-Commit-Position: refs/heads/master@{#339235}