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

chromeos/network/certificate_pattern.h

Index: chromeos/network/certificate_pattern.h
diff --git a/chromeos/network/certificate_pattern.h b/chromeos/network/certificate_pattern.h
index 3c787643ac0138d1c828c0fc9d0bd7df23c4a67a..5d346e581bd8c1d9cd702bdaa146905c1b5d2bf1 100644
--- a/chromeos/network/certificate_pattern.h
+++ b/chromeos/network/certificate_pattern.h
@@ -26,6 +26,7 @@ class CHROMEOS_EXPORT IssuerSubjectPattern {
                        const std::string& locality,
                        const std::string& organization,
                        const std::string& organizational_unit);
+  IssuerSubjectPattern(const IssuerSubjectPattern& other);
   ~IssuerSubjectPattern();
 
   // Returns true if all fields in the pattern are empty.
@@ -63,6 +64,7 @@ class CHROMEOS_EXPORT IssuerSubjectPattern {
 class CHROMEOS_EXPORT CertificatePattern {
  public:
   CertificatePattern();
+  CertificatePattern(const CertificatePattern& other);
   ~CertificatePattern();
 
   // Returns true if this pattern has nothing set (and so would match