Remove 'blink::WebSerializedOrigin' (7/7)
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): https://codereview.chromium.org/
1244563002
Patch 2 (Blink): https://codereview.chromium.org/
1240083002
Patch 3 (Blink): https://codereview.chromium.org/
1244703002
Patch 4 (Chromium): https://codereview.chromium.org/
1229783005
Patch 5 (Chromium): https://codereview.chromium.org/
1247723004/
Patch 6 (Blink): https://codereview.chromium.org/
1231643010
Patch 7 (Chromium): This patch.
BUG=508896
R=jochen@chromium.org
Review URL: https://codereview.chromium.org/
1246943002
Cr-Commit-Position: refs/heads/master@{#339648}