cc/blimp: Set up the framework for state serialization.

cc/layers/layer_unittest.cc

Index: cc/layers/layer_unittest.cc
diff --git a/cc/layers/layer_unittest.cc b/cc/layers/layer_unittest.cc
index c775ebd9d8014e10a4c3be0ce8585f5732f2fe62..11d6facce8d015defc9d3e61b7d15aa59541b82e 100644
--- a/cc/layers/layer_unittest.cc
+++ b/cc/layers/layer_unittest.cc
@@ -117,7 +117,7 @@ class LayerSerializationTest : public testing::Test {
     // LayerUpdate. There are no descendants, so the serialization
     // of |src| is the only entry.
     proto::LayerUpdate layer_update;
-    src->ToLayerPropertiesProto(&layer_update);
+    src->ToLayerPropertiesProto(&layer_update, false);
     ASSERT_EQ(1, layer_update.layers_size());
     proto::LayerProperties props = layer_update.layers(0);
 
@@ -361,7 +361,8 @@ class LayerSerializationTest : public testing::Test {
   void VerifySolidColorScrollbarLayerAfterSerializationAndDeserialization(
       scoped_refptr<SolidColorScrollbarLayer> source_scrollbar) {
     proto::LayerProperties serialized_scrollbar;
-    source_scrollbar->LayerSpecificPropertiesToProto(&serialized_scrollbar);
+    source_scrollbar->LayerSpecificPropertiesToProto(&serialized_scrollbar,
+                                                     false);
 
     scoped_refptr<SolidColorScrollbarLayer> deserialized_scrollbar =
         SolidColorScrollbarLayer::Create(ScrollbarOrientation::HORIZONTAL, -1,