Reapplies all the IPC system work (reverts the revert r56272).

That patch wasn't what caused the regression in the page cycler.

BUG=51411,52103
TEST=still compiles

Review URL: http://codereview.chromium.org/3106018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@56390 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 7a4de7a6cefa6c56d42e6abe17f815b048269354
10 files changed
tree: 8236371c25bd89c6e315331d01aac928e35331c1
  1. base/
  2. build/
  3. ipc/
  4. testing/