[webcrypto] Add JWK import for HMAC and AES-CBC key.

content/renderer/webcrypto/webcrypto_impl_nss.cc

Index: content/renderer/webcrypto/webcrypto_impl_nss.cc
diff --git a/content/renderer/webcrypto/webcrypto_impl_nss.cc b/content/renderer/webcrypto/webcrypto_impl_nss.cc
index a20f72fb6bfd1bfe4336cb9a60deb8f15e3bd3f0..94d5ba8512c07ca10345acf45ff9c1bad07f873f 100644
--- a/content/renderer/webcrypto/webcrypto_impl_nss.cc
+++ b/content/renderer/webcrypto/webcrypto_impl_nss.cc
@@ -11,6 +11,7 @@
 #include <vector>
 
 #include "base/logging.h"
+#include "content/renderer/webcrypto/webcrypto_util.h"
 #include "crypto/nss_util.h"
 #include "crypto/scoped_nss_types.h"
 #include "crypto/secure_util.h"
@@ -147,7 +148,7 @@ bool AesCbcEncryptDecrypt(
     return false;
   }
 
-  WebCryptoImpl::ShrinkBuffer(buffer, final_output_chunk_len + output_len);
+  ShrinkBuffer(buffer, final_output_chunk_len + output_len);
   return true;
 }