inherit from SampleView for more samples
add L key to toggle using SkGPipe
git-svn-id: http://skia.googlecode.com/svn/trunk@1296 2bbb7eff-a529-9590-31e7-b0007b416f81
pattern: the receiver will call ref() if it chooses when passed to a constructor
or setter, so the caller must balance its ownership itself. This matches how all
other refcnt objects are handled.
git-svn-id: http://skia.googlecode.com/svn/trunk@120 2bbb7eff-a529-9590-31e7-b0007b416f81
