cc: Move anti-aliasing decision to parent compositor.

cc/picture_layer_impl.cc

Index: cc/picture_layer_impl.cc
diff --git a/cc/picture_layer_impl.cc b/cc/picture_layer_impl.cc
index de06993e83da725b8a3382a3f4b3aaff62662c25..028f8da6bce3e0be4c029712940f165cd5d041cf 100644
--- a/cc/picture_layer_impl.cc
+++ b/cc/picture_layer_impl.cc
@@ -48,13 +48,6 @@ void PictureLayerImpl::appendQuads(QuadSink& quadSink,
 
   SharedQuadState* sharedQuadState =
       quadSink.useSharedQuadState(createSharedQuadState());
-  bool clipped = false;
-  gfx::QuadF target_quad = MathUtil::mapQuad(
-      drawTransform(),
-      gfx::QuadF(rect),
-      clipped);
-  bool isAxisAlignedInTarget = !clipped && target_quad.IsRectilinear();
-  bool useAA = !isAxisAlignedInTarget;
 
   if (showDebugBorders()) {
     for (PictureLayerTilingSet::Iterator iter(&tilings_,
@@ -131,10 +124,10 @@ void PictureLayerImpl::appendQuads(QuadSink& quadSink,
                  texture_rect,
                  iter.texture_size(),
                  iter->contents_swizzled(),
-                 outside_left_edge && useAA,
-                 outside_top_edge && useAA,
-                 outside_right_edge && useAA,
-                 outside_bottom_edge && useAA);
+                 outside_left_edge,
+                 outside_top_edge,
+                 outside_right_edge,
+                 outside_bottom_edge);
     quadSink.append(quad.PassAs<DrawQuad>(), appendQuadsData);
 
     if (!seen_tilings.size() || seen_tilings.back() != iter.CurrentTiling())