cc: Support anti-aliasing for solid color layers.

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 e844f67d89648693266584923566da41b218beef..bae6e64190c2935660427e202ae6962ec8621fd5 100644
--- a/cc/picture_layer_impl.cc
+++ b/cc/picture_layer_impl.cc
@@ -81,6 +81,11 @@ void PictureLayerImpl::appendQuads(QuadSink& quadSink,
 
     gfx::Rect geometry_rect = iter.geometry_rect();
 
+    bool outside_left_edge = geometry_rect.x() == content_rect.x();
+    bool outside_top_edge = geometry_rect.y() == content_rect.y();
+    bool outside_right_edge = geometry_rect.right() == content_rect.right();
+    bool outside_bottom_edge = geometry_rect.bottom() == content_rect.bottom();
+
     if (!resource) {
       if (drawCheckerboardForMissingTiles()) {
         // TODO(enne): Figure out how to show debug "invalidated checker" color
@@ -91,7 +96,11 @@ void PictureLayerImpl::appendQuads(QuadSink& quadSink,
             appendQuadsData.numMissingTiles++;
       } else {
         scoped_ptr<SolidColorDrawQuad> quad = SolidColorDrawQuad::Create();
-        quad->SetNew(sharedQuadState, geometry_rect, backgroundColor());
+        quad->SetNew(sharedQuadState, geometry_rect, backgroundColor(),
+                     outside_left_edge && useAA,
+                     outside_top_edge && useAA,
+                     outside_right_edge && useAA,
+                     outside_bottom_edge && useAA);
         if (quadSink.append(quad.PassAs<DrawQuad>(), appendQuadsData))
             appendQuadsData.numMissingTiles++;
       }
@@ -102,11 +111,6 @@ void PictureLayerImpl::appendQuads(QuadSink& quadSink,
     gfx::Rect opaque_rect = iter->opaque_rect();
     opaque_rect.Intersect(content_rect);
 
-    bool outside_left_edge = geometry_rect.x() == content_rect.x();
-    bool outside_top_edge = geometry_rect.y() == content_rect.y();
-    bool outside_right_edge = geometry_rect.right() == content_rect.right();
-    bool outside_bottom_edge = geometry_rect.bottom() == content_rect.bottom();
-
     scoped_ptr<TileDrawQuad> quad = TileDrawQuad::Create();
     quad->SetNew(sharedQuadState,
                  geometry_rect,