Avoid duplicate functions: one AddStringToDigestor is enough

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

Index: third_party/WebKit/Source/core/inspector/AddStringToDigestor.h
diff --git a/third_party/WebKit/Source/core/inspector/AddStringToDigestor.h b/third_party/WebKit/Source/core/inspector/AddStringToDigestor.h
new file mode 100644
index 0000000000000000000000000000000000000000..2981c385098593a2064f399f45d64128cbd5da8a
--- /dev/null
+++ b/third_party/WebKit/Source/core/inspector/AddStringToDigestor.h
@@ -0,0 +1,17 @@
+// 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.
+
+#ifndef AddStringToDigestor_h
+#define AddStringToDigestor_h
+
+namespace WTF {
+class String;
+}
+
+namespace blink {
+class WebCryptoDigestor;
+void AddStringToDigestor(WebCryptoDigestor*, const WTF::String&);
+}  // namespace blink
+
+#endif  // AddStringToDigestor_h