Avoid duplicate functions/code in core/inspector.

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
deleted file mode 100644
index 2981c385098593a2064f399f45d64128cbd5da8a..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/inspector/AddStringToDigestor.h
+++ /dev/null
@@ -1,17 +0,0 @@
-// 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