fix warnings around size_t/int
fix warnings around undeclared (non-static) functions

TBR=bsalomon@google.com

Author: reed@google.com

Review URL: https://codereview.chromium.org/242643008

git-svn-id: http://skia.googlecode.com/svn/trunk@14267 2bbb7eff-a529-9590-31e7-b0007b416f81
10 files changed