FBTF: Move ctors/dtors into implementation files. Adds ctors/dtors to non-POD structs.

net/http/http_auth_cache.h

Index: net/http/http_auth_cache.h
diff --git a/net/http/http_auth_cache.h b/net/http/http_auth_cache.h
index 764a5631a1a29b7755e27c2ee23a3421eb1d96db..707288cfc0964309dbad3421a8d480c3e900392d 100644
--- a/net/http/http_auth_cache.h
+++ b/net/http/http_auth_cache.h
@@ -28,6 +28,9 @@ class HttpAuthCache {
  public:
   class Entry;
 
+  HttpAuthCache();
+  ~HttpAuthCache();
+
   // Find the realm entry on server |origin| for realm |realm| and
   // scheme |scheme|.
   //   |origin| - the {scheme, host, port} of the server.
@@ -140,6 +143,8 @@ class HttpAuthCache::Entry {
 
   void UpdateStaleChallenge(const std::string& auth_challenge);
 
+  ~Entry();
+
  private:
   friend class HttpAuthCache;
   FRIEND_TEST_ALL_PREFIXES(HttpAuthCacheTest, AddPath);