Serialize PictureLayer properties.

cc/layers/layer_proto_converter.cc

Index: cc/layers/layer_proto_converter.cc
diff --git a/cc/layers/layer_proto_converter.cc b/cc/layers/layer_proto_converter.cc
index 65e1b14ff0c1d4043bbeb7da17e7fa725393e0de..87e567f805b05e30ae2c7c5587257a24e7de12bc 100644
--- a/cc/layers/layer_proto_converter.cc
+++ b/cc/layers/layer_proto_converter.cc
@@ -5,8 +5,10 @@
 #include "cc/layers/layer_proto_converter.h"
 
 #include "base/stl_util.h"
+#include "cc/layers/empty_content_layer_client.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_settings.h"
+#include "cc/layers/picture_layer.h"
 #include "cc/proto/layer.pb.h"
 #include "cc/trees/layer_tree_host_common.h"
 #include "cc/trees/layer_tree_settings.h"
@@ -105,6 +107,9 @@ scoped_refptr<Layer> LayerProtoConverter::FindOrAllocateAndConstruct(
   switch (proto.type()) {
     case proto::Base:
       return Layer::Create(LayerSettings()).get();
+    case proto::Picture:

[vmpstr, 2015/12/16 04:21:08]

I think this should be PictureLayer (and maybe base can be renamed to Layer)

[David Trainor- moved to gerrit, 2015/12/16 19:10:58]

Done.

+      return PictureLayer::Create(LayerSettings(),
+                                  EmptyContentLayerClient::GetInstance());
   }
   // TODO(nyquist): Add the rest of the necessary LayerTypes. This function
   // should not return null.