Avoid duplicate functions: one AddStringToDigestor is enough

third_party/WebKit/Source/core/inspector/AddStringToDigestor.cpp

Index: third_party/WebKit/Source/core/inspector/AddStringToDigestor.cpp
diff --git a/third_party/WebKit/Source/core/inspector/AddStringToDigestor.cpp b/third_party/WebKit/Source/core/inspector/AddStringToDigestor.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..2c59eba0996ab6261872b1e3c44ad80b77f78606
--- /dev/null
+++ b/third_party/WebKit/Source/core/inspector/AddStringToDigestor.cpp
@@ -0,0 +1,18 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "core/inspector/AddStringToDigestor.h"
+
+#include "platform/wtf/text/WTFString.h"
+#include "public/platform/WebCrypto.h"
+
+namespace blink {
+
+void AddStringToDigestor(WebCryptoDigestor* digestor, const String& string) {
+  const CString c_string = string.Utf8();
+  digestor->Consume(reinterpret_cast<const unsigned char*>(c_string.data()),
+                    c_string.length());
+}
+
+}  // namespace blink