Added SkPDFStream::setData(SkData*) in preparation for move from SkStream to SkData

R=vandebo@chromium.org, edisonn@google.com

Author: richardlin@chromium.org

Review URL: https://chromiumcodereview.appspot.com/18328026

git-svn-id: http://skia.googlecode.com/svn/trunk@9916 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed