[Variations] Enable the Restrict parameter policy for iOS

BUG=347556

Review URL: https://codereview.chromium.org/179693007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254833 0039d316-1c4b-4281-b951-d872f2087c98
[Suggestions] Bring the Suggestions Service to the Android NTP.

BUG=348098

Review URL: https://codereview.chromium.org/182683003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254834 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254833
Do not hardcode the Preferences filename in kiosk_browsertest.

BUG=343692

Review URL: https://codereview.chromium.org/185543007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254835 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254835
Remove |disable_drawing| flag from GLSurface::InitializeOneOffForTests.

This flag is always passed as true now that all test suites opt in for
it, so we can remove it.

R=sievers, sky, joi
BUG=270918

Review URL: https://codereview.chromium.org/176843008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254837 0039d316-1c4b-4281-b951-d872f2087c98
Revert 254729 "This CL implemented part of chrome power profiler..."

> This CL implemented part of chrome power profiler, including the service, data provider and observer base.
> 
> BUG=337138
> 
> Review URL: https://codereview.chromium.org/184863007

BUG=337138,349157
TBR=pan.deng@intel.com

Review URL: https://codereview.chromium.org/186693005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254838 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254838