Blink roll 168046:168049

http://build.chromium.org/f/chromium/perf/dashboard/ui/changelog_blink.html?url=/trunk&range=168047:168049&mode=html
TBR=
BUG=

Review URL: https://codereview.chromium.org/183903002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254049 0039d316-1c4b-4281-b951-d872f2087c98
Fix the page transition mask for the prerendered search base page.

Set the "ORIGIN_INSTANT" page transition as "GENERATED" instead of "TYPED". This will filter the prerendered page URL from being added to the most visited items URL list.

BUG=345953
TEST=none

Review URL: https://codereview.chromium.org/176073002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254050 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254051 0039d316-1c4b-4281-b951-d872f2087c98
Re-enable compositor touch hit testing in Android WebView.

As a prelude to removing the flag and all related code, enable it first to see
if it doesn't cause any unforseen problems.

BUG=304518

Review URL: https://codereview.chromium.org/183943002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254052 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254051
Added unit test for base/hash.

This code is being moved into third_party, and it should be unit tested
before the move to ensure nothing breaks.

BUG=347393

Review URL: https://codereview.chromium.org/182593002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@254053 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 254053