cc: Move UI Resource management out of LayerTreeHost.

cc/layers/nine_patch_layer_unittest.cc

Index: cc/layers/nine_patch_layer_unittest.cc
diff --git a/cc/layers/nine_patch_layer_unittest.cc b/cc/layers/nine_patch_layer_unittest.cc
index abc431b75354db55e89c5fe64b0262b751e3511f..459810da5c8d2ebc3e00d70fc3a2d1aeeaf89c9e 100644
--- a/cc/layers/nine_patch_layer_unittest.cc
+++ b/cc/layers/nine_patch_layer_unittest.cc
@@ -59,8 +59,9 @@ TEST_F(NinePatchLayerTest, SetLayerProperties) {
   EXPECT_FALSE(test_layer->DrawsContent());
 
   bool is_opaque = false;
-  std::unique_ptr<ScopedUIResource> resource = ScopedUIResource::Create(
-      layer_tree_host_.get(), UIResourceBitmap(gfx::Size(10, 10), is_opaque));
+  std::unique_ptr<ScopedUIResource> resource =
+      ScopedUIResource::Create(layer_tree_host_->GetUIResourceManager(),
+                               UIResourceBitmap(gfx::Size(10, 10), is_opaque));
   gfx::Rect aperture(5, 5, 1, 1);
   bool fill_center = true;
   test_layer->SetAperture(aperture);