[PDF] Improve path effect and drawPath(prePathMatrix) support.

Add path effect handling for drawPoints (via drawPath).
Move path effect handling from drawRect to drawPath.
Add prePathMatrix support to drawPath.

BUG=crbug.com/82849

Review URL: http://codereview.appspot.com/4531047

git-svn-id: http://skia.googlecode.com/svn/trunk@1354 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed