Exclude flaky SSLClientSocketTest tests under Dr. Memory.
Widen Dr. Memory bcrypt.dll suppression.

BUG=108422
TBR=zhaoqin@chromium.org

Review URL: https://codereview.chromium.org/152973002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248521 0039d316-1c4b-4281-b951-d872f2087c98
Cast: Adding helper crypto classes

Adding two helper classes to handle encryption and decryption.
This reduces code duplication between audio and video.
In addition, cleaned up the .gyp files from obselete includes
of crypto.gyp

Review URL: https://codereview.chromium.org/138843011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248522 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248521
SVN changes up to revision 248522