*WIP* Store NSS slots per profile. Move keygen to chrome.

chrome/browser/net/nss_context.h

Index: chrome/browser/net/nss_context.h
diff --git a/chrome/browser/net/nss_context.h b/chrome/browser/net/nss_context.h
index 0735df2d2b17b69f1e0c9f493b0fb76a239372f0..162bd79bb8486151a8705901a40d9bac83370c95 100644
--- a/chrome/browser/net/nss_context.h
+++ b/chrome/browser/net/nss_context.h
@@ -11,6 +11,10 @@
 #include "base/compiler_specific.h"
 #include "crypto/scoped_nss_types.h"
 
+namespace net {
+class NSSCertDatabase;
+}
+
 namespace content {
 class ResourceContext;
 }  // namespace content
@@ -29,4 +33,11 @@ crypto::ScopedPK11Slot GetPrivateNSSKeySlotForResourceContext(
     const base::Callback<void(crypto::ScopedPK11Slot)>& callback)
     WARN_UNUSED_RESULT;
 
+// Get a NSSCertDatabase for the given |context|.  Should be called only on the
+// IO thread.
+net::NSSCertDatabase* GetNSSCertDatabaseForResourceContext(
+    content::ResourceContext* context,
+    const base::Callback<void(net::NSSCertDatabase*)>& callback)
+    WARN_UNUSED_RESULT;
+
 #endif  // CHROME_BROWSER_NET_NSS_CONTEXT_H_