Split GrContext's AA Rect drawing methods into helper class

http://codereview.appspot.com/6300070/



git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@4233 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gpu.gyp b/gpu.gyp
index 5f375e8..f5d15ed 100644
--- a/gpu.gyp
+++ b/gpu.gyp
@@ -172,6 +172,7 @@
         'angle.gyp:*',
       ],
       'sources': [
+        '../include/gpu/GrAARectRenderer.h',
         '../include/gpu/GrClip.h',
         '../include/gpu/GrClipIterator.h',
         '../include/gpu/GrColor.h',
@@ -208,6 +209,7 @@
         '../src/gpu/GrAAHairLinePathRenderer.h',
         '../src/gpu/GrAAConvexPathRenderer.cpp',
         '../src/gpu/GrAAConvexPathRenderer.h',
+        '../src/gpu/GrAARectRenderer.cpp',
         '../src/gpu/GrAddPathRenderers_default.cpp',
         '../src/gpu/GrAllocator.h',
         '../src/gpu/GrAllocPool.h',