add getTopLayer(), so clients don't have to use a LayerIter just to get
authorreed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Wed, 30 Mar 2011 00:18:03 +0000 (00:18 +0000)
committerreed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Wed, 30 Mar 2011 00:18:03 +0000 (00:18 +0000)
commit9266fed56a46a4edc710a52c7be8d46fd7c2bc7a
tree983b136f48eefaf14aea0da42131176fe07e1559
parent11f0b519766dabed4ce882f3ee7c07a68d3ccb52
add getTopLayer(), so clients don't have to use a LayerIter just to get
the top. (very common for chrome)

git-svn-id: http://skia.googlecode.com/svn/trunk@1016 2bbb7eff-a529-9590-31e7-b0007b416f81
include/core/SkCanvas.h
src/core/SkCanvas.cpp