cc: Make Picture/PicturePile handle recording/raster

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 0da0d204339553cae09819aec57a508dc31ed294..9f42e12bf910dcb03bdeec32f0babdf0f7a0f7a7 100644
--- a/cc/picture_layer_impl.cc
+++ b/cc/picture_layer_impl.cc
@@ -15,4 +15,17 @@ PictureLayerImpl::PictureLayerImpl(int id) :
 PictureLayerImpl::~PictureLayerImpl() {
 }
 
+const char* PictureLayerImpl::layerTypeAsString() const {
+  return "PictureLayer";
+}
+
+void PictureLayerImpl::appendQuads(QuadSink&, AppendQuadsData&) {
+  // TODO(enne): implement me
+}
+
+void PictureLayerImpl::dumpLayerProperties(std::string*, int indent) const {
+  // TODO(enne): implement me
+}
+
+
 }  // namespace cc