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

components/nacl/common/nacl_types.cc

Index: components/nacl/common/nacl_types.cc
diff --git a/components/nacl/common/nacl_types.cc b/components/nacl/common/nacl_types.cc
index 996d2523de244e5eb95e0017bc0b96358d292fc7..dbb421b86c89df94492e9a40e010a23da819edd1 100644
--- a/components/nacl/common/nacl_types.cc
+++ b/components/nacl/common/nacl_types.cc
@@ -23,6 +23,8 @@ NaClStartParams::NaClStartParams()
       crash_info_shmem_handle(base::SharedMemory::NULLHandle()) {
 }
 
+NaClStartParams::NaClStartParams(const NaClStartParams& other) = default;
+
 NaClStartParams::~NaClStartParams() {
 }
 
@@ -83,6 +85,8 @@ NaClLaunchParams::NaClLaunchParams(
       uses_nonsfi_mode(uses_nonsfi_mode),
       process_type(process_type) {}
 
+NaClLaunchParams::NaClLaunchParams(const NaClLaunchParams& other) = default;
+
 NaClLaunchParams::~NaClLaunchParams() {
 }