chromeos: Add out-of-line copy ctors for complex classes.

chromeos/network/network_util.cc

Index: chromeos/network/network_util.cc
diff --git a/chromeos/network/network_util.cc b/chromeos/network/network_util.cc
index ebaef5137fd0c920a45724dc34b14343ef169ebe..7ec940b9824b6b60250cb4be69b8da38f2777541 100644
--- a/chromeos/network/network_util.cc
+++ b/chromeos/network/network_util.cc
@@ -29,12 +29,17 @@ WifiAccessPoint::WifiAccessPoint()
       channel(0) {
 }
 
+WifiAccessPoint::WifiAccessPoint(const WifiAccessPoint& other) = default;
+
 WifiAccessPoint::~WifiAccessPoint() {
 }
 
 CellularScanResult::CellularScanResult() {
 }
 
+CellularScanResult::CellularScanResult(const CellularScanResult& other) =
+    default;
+
 CellularScanResult::~CellularScanResult() {
 }