Fixing the behavior of SkPathMeasure to reflect changes in SkPath::Iter.
This implementation modifies SkPath::Iter extensively to avoid copying
the points when used to measure path length.

BUG=446
TEST=tests/PathMeasureTest.cpp
Review URL: https://codereview.appspot.com/5533074

git-svn-id: http://skia.googlecode.com/svn/trunk@3062 2bbb7eff-a529-9590-31e7-b0007b416f81
3 files changed