cc: Fix up code to work with concrete cc paint types

cc/trees/layer_tree_host_pixeltest_filters.cc

Index: cc/trees/layer_tree_host_pixeltest_filters.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_filters.cc b/cc/trees/layer_tree_host_pixeltest_filters.cc
index 5190efd4ac0ad4b5d7674fec844b891d93687129..1f5f2b7361affe2ae9c9d0fa43b58a89e85a2a03 100644
--- a/cc/trees/layer_tree_host_pixeltest_filters.cc
+++ b/cc/trees/layer_tree_host_pixeltest_filters.cc
@@ -770,11 +770,11 @@ class TranslatedFilterTest : public LayerTreeHostFiltersPixelTest {
     // This is intended to test render pass removal optimizations.
     FakeContentLayerClient client;
     client.set_bounds(child_rect.size());
-    SkPaint paint;
-    paint.setColor(SK_ColorGREEN);
-    client.add_draw_rect(child_rect, paint);
-    paint.setColor(SK_ColorBLUE);
-    client.add_draw_rect(gfx::Rect(100, 50), paint);
+    PaintFlags flags;
+    flags.setColor(SK_ColorGREEN);
+    client.add_draw_rect(child_rect, flags);
+    flags.setColor(SK_ColorBLUE);
+    client.add_draw_rect(gfx::Rect(100, 50), flags);
     scoped_refptr<PictureLayer> child = PictureLayer::Create(&client);
     child->SetBounds(child_rect.size());
     child->SetIsDrawable(true);