name-component: rename fromEscapedString() to fromUri()

Consistent with toUri()

Change-Id: Ia8ca75be9068b06840e2847f0128ffc7a4cd57af
diff --git a/tests/unit/security/key-chain.t.cpp b/tests/unit/security/key-chain.t.cpp
index 4fd91b4..69748b5 100644
--- a/tests/unit/security/key-chain.t.cpp
+++ b/tests/unit/security/key-chain.t.cpp
@@ -647,7 +647,7 @@
 BOOST_AUTO_TEST_CASE(Options)
 {
   MakeCertificateOptions opts;
-  opts.issuerId = name::Component::fromEscapedString("ISSUER");
+  opts.issuerId = name::Component::fromUri("ISSUER");
   opts.version = 41218268;
   opts.freshnessPeriod = 321_s;
   opts.validity.emplace(time::fromIsoString("20060702T150405"),