android: Do not call ContentViewCore when destroying RenderWidgetHostViewAndroid

Reverse a change from https://codereview.chromium.org/26753005/ that caused
crashes.

BUG=324341

Review URL: https://codereview.chromium.org/151563005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249654 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249654
Extend the CpuInfo type to include a list of processor features.

BUG=340436

Review URL: https://codereview.chromium.org/141703033

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249655 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249655