[webcrypto] Add raw symmetric key AES-KW wrap/unwrap for NSS.

BUG=245025
TEST=content_unittests --gtest_filter="WebCryptoImpl*"

Review URL: https://codereview.chromium.org/118623002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255270 0039d316-1c4b-4281-b951-d872f2087c98
gpu: Return early GpuCommandBufferStub::OnWaitSyncPoint() if |sync_point| is 0.

WaitSyncPoint(0) does not do anything, so return early. Accelerated video code
path frequently calls WaitSyncPoint(0).

BUG=N/A

Review URL: https://codereview.chromium.org/185393008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255271 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255271
Use custom profile names (if available) for signed in profiles

The problem was that if the user was set to use the Gaia profile info, then we ignored any custom profile names that were synced. We shouldn't do that :) 

BUG=343730,348187,349000

Review URL: https://codereview.chromium.org/186803003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255273 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255273