Implement support for p2p socket UDP packages to set the Differntiated Services Code Point for each package. Will be used by webrtc to hopefully improve performance. (See bug for how we will test this.)

BUG=277022

Review URL: https://codereview.chromium.org/22381012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229975 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229975
Version number updates for Java, Reader and Shockwave plug-ins.

Only Windows updated for now, which is deliberate.

Note that Java 6 and Reader 9 are no longer supported and that is reflected in
this update.

BUG=290572

Review URL: https://codereview.chromium.org/28243003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229976 0039d316-1c4b-4281-b951-d872f2087c98
ApiResourceManager::persistent should be a virtual method, not a virtual accessor.

BUG=307537

Review URL: https://codereview.chromium.org/29923002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229977 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229976
SVN changes up to revision 229977