Remove usage of deprecated APIs from cctests

test/cctest/test-log.cc

Index: test/cctest/test-log.cc
diff --git a/test/cctest/test-log.cc b/test/cctest/test-log.cc
index 2cf2a77445bb1b5a1934e2f10db90643e48fbb6e..b838fda5fedb97fbecc60bfdca2b7b2c09428e3c 100644
--- a/test/cctest/test-log.cc
+++ b/test/cctest/test-log.cc
@@ -307,7 +307,8 @@ TEST(Issue23768) {
   SimpleExternalString source_ext_str("(function ext() {})();");
   v8::Local<v8::String> source = v8::String::NewExternal(&source_ext_str);
   // Script needs to have a name in order to trigger InitLineEnds execution.
-  v8::Handle<v8::String> origin = v8::String::New("issue-23768-test");
+  v8::Handle<v8::String> origin =
+      v8::String::NewFromUtf8(CcTest::isolate(), "issue-23768-test");
   v8::Handle<v8::Script> evil_script = v8::Script::Compile(source, origin);
   CHECK(!evil_script.IsEmpty());
   CHECK(!evil_script->Run().IsEmpty());
@@ -451,12 +452,14 @@ TEST(EquivalenceOfLoggingAndTraversal) {
   i::Vector<const char> log(
       i::ReadFile(initialize_logger.StopLoggingGetTempFile(), &exists, true));
   CHECK(exists);
-  v8::Handle<v8::String> log_str = v8::String::New(log.start(), log.length());
+  v8::Handle<v8::String> log_str = v8::String::NewFromUtf8(
+      CcTest::isolate(), log.start(), v8::String::kNormalString, log.length());
   initialize_logger.env()->Global()->Set(v8_str("_log"), log_str);
 
   i::Vector<const unsigned char> source = TestSources::GetScriptsSource();
-  v8::Handle<v8::String> source_str = v8::String::New(
-      reinterpret_cast<const char*>(source.start()), source.length());
+  v8::Handle<v8::String> source_str = v8::String::NewFromUtf8(
+      CcTest::isolate(), reinterpret_cast<const char*>(source.start()),
+      v8::String::kNormalString, source.length());
   v8::TryCatch try_catch;
   v8::Handle<v8::Script> script = v8::Script::Compile(source_str, v8_str(""));
   if (script.IsEmpty()) {