Do not use CalledByNativeUnchecked

The preferred method is to handle exceptions in java code.

BUG=

Review URL: https://codereview.chromium.org/109023011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243398 0039d316-1c4b-4281-b951-d872f2087c98
Changes to enable HTML5 autoplay for voice search.

* Added VoiceSearchTabHelper web contents observer to toggle on html 5
  media autoiplay for google search urls.

BUG=323264

Review URL: https://codereview.chromium.org/114183006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243399 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243399
posix LaunchProcess: Don't use STL iterators after fork.

Fixes some deadlocks on linux debug caused by STL debug iterators using locks.

BUG=331459

Review URL: https://codereview.chromium.org/114603009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243401 0039d316-1c4b-4281-b951-d872f2087c98
[Views] Only paint background of text portion of LabelButton in inverted color theme.

R=msw@chromium.org
BUG=330067

Review URL: https://codereview.chromium.org/120823003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243402 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243402