[Telemetry] Suppress modal dialogs.

This is necessary to run through the top 1000 mobile sites page set completely.

BUG=
NOTRY=True

Review URL: https://codereview.chromium.org/172873009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253184 0039d316-1c4b-4281-b951-d872f2087c98
Add API level guard for detecting calling user.

BUG=346476
NOTRY=true

Review URL: https://codereview.chromium.org/177113006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253185 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253184
Moving me2me native messaging host implementation to remoting_core on Windows. 

This significantly reduces the size of remoting_native_messaging_host.exe and thus the download size of the Windows host package. The size of the debug binary was reduced to 440k from 17M.

BUG=325567

Review URL: https://codereview.chromium.org/166203003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253186 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253186
Move ProfileKeyedAPI implementations to take BrowserContext in the constructor (part 2).

Follows part 1: https://chromiumcodereview.appspot.com/171813010/

BUG=309909

Review URL: https://codereview.chromium.org/166053003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253187 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253187