cleaning delegate execute of non-aura cruft

BUG=none

Review URL: https://codereview.chromium.org/132873007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245758 0039d316-1c4b-4281-b951-d872f2087c98
[chromedriver] Wait 60 seconds for chrome to start up on all OS and 30 seconds for chrome shutdown on Mac and Linux.

Drive by fix:
1. Fix API document for method Chrome::GetWebViewIds in chrome.h
2. Remove one of the duplicate 'cleanup' steps in run_buildbot_steps.py

BUG=chromedriver:672

Review URL: https://codereview.chromium.org/136143003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245759 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245758
[Telemetry] Don't store a reference to tab in SpeedIndexImpl.

Keeping this reference causes all kinds of confusion when a tab or browser
crashes.

BUG=

Review URL: https://codereview.chromium.org/136583010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245760 0039d316-1c4b-4281-b951-d872f2087c98
[IME] Supports options page for each IME instead of single options page for each IME extension.

BUG=334527
TEST=Verified on sandbox.

Review URL: https://codereview.chromium.org/136693012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245761 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 245761