Change the window picker OK button label to "Share".
Also switch the position of OK and Cancel buttons on Mac to match other
platforms.

BUG=https://code.google.com/p/webrtc/issues/detail?id=2842, https://code.google.com/p/webrtc/issues/detail?id=2841

Review URL: https://codereview.chromium.org/166323011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253879 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253879
SPDY4 Settings ACK support

Update SpdyFramer/SpdyDispatcher to send a SETTINGS ACK after processing a
SETTINGS frame, and receive SETTINGS ACK frames without choking.

This lands server change 61532046 by mlavan.

BUG=345769

Review URL: https://codereview.chromium.org/181613002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253880 0039d316-1c4b-4281-b951-d872f2087c98
Remove hack disabling goma when building using Xcode clang

The last version of goma (54) no longer mistake clang for gcc when it
is accessed using the cc symlink in the path.

BUG=315114

Review URL: https://codereview.chromium.org/183213002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@253881 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 253881