New prefetch histograms to get an idea of how often prefetches happen,
what their success rate is, how often they're canceled, how long
they take to load, and how big they are.

BUG=303816

Review URL: https://codereview.chromium.org/50493005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232342 0039d316-1c4b-4281-b951-d872f2087c98
Roll Skia DEPS to r12065

R=reed@google.com

Review URL: https://codereview.chromium.org/55303005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232343 0039d316-1c4b-4281-b951-d872f2087c98
QUIC - fix uninitialized reads in
net::QuicCongestionManager::SetFromConfig

BUG=313738
R=rch@chromium.org

Review URL: https://codereview.chromium.org/50603015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232344 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232342
Moved extension_api to src/extensions/common

This is part of the move of extensions code into the extensions
component. This change does not move the generated API data and API
resources.

TBR=darin@chromium.org
BUG=162530

Review URL: https://codereview.chromium.org/50743005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232345 0039d316-1c4b-4281-b951-d872f2087c98
Replace VideoFrame::INVALID with UNKNOWN.

INVALID was misleading: the usage has more to do with the format being unknown at the time, rather than being invalid.

BUG=313827
TBR=danakj

Review URL: https://codereview.chromium.org/51343005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232346 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232347 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232346
SVN changes up to revision 232347