Move TopSites api from c/b/history to c/b/e/api

Move TopSites api from c/b/history to c/b/e/api

Move the TopSites extension API out of c/b/history and into c/b/e/api with all
the other APIs.  Remove the c/b/extensions/ dependencies completely from
c/b/history.

BUG=101244
TBR=ben@chromium.org for gypi

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=173575

[Matt Perry, 2012-12-11 00:18:32]

lgtm

[Devlin, 2012-12-17 17:22:19]

+sky for c/b/history/

[sky, 2012-12-17 17:41:16]

LGTM

[commit-bot: I haz the power, 2012-12-17 17:44:44]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rdevlin.cronin@chromium.org/11522007/6001

[commit-bot: I haz the power, 2012-12-17 20:10:13]

Retried try job too often on linux_chromeos for step(s) browser_tests

[commit-bot: I haz the power, 2012-12-17 20:20:33]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/rdevlin.cronin@chromium.org/11522007/6001

[commit-bot: I haz the power, 2012-12-17 23:50:26]

Change committed as 173575

[Yoyo Zhou, 2012-12-17 23:59:29]

Drive-by comment: if the CL description is correct, some exceptions in
chrome/browser/history/DEPS can now be removed. There should be no more api or
extension tests and no extension_function references.