Avoid duplicate functions/code in core/inspector.

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

Index: third_party/WebKit/Source/core/inspector/InspectorBaseAgent.cpp
diff --git a/third_party/WebKit/Source/core/inspector/InspectorBaseAgent.cpp b/third_party/WebKit/Source/core/inspector/InspectorBaseAgent.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..56cb05e79b952ab30a8753a256e3a110ad91b0ea
--- /dev/null
+++ b/third_party/WebKit/Source/core/inspector/InspectorBaseAgent.cpp
@@ -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.
+
+#include "core/inspector/InspectorBaseAgent.h"
+
+#include "core/inspector/IdentifiersFactory.h"
+
+namespace blink {
+
+KURL UrlWithoutFragment(const KURL& url) {
+  KURL result = url;
+  result.RemoveFragmentIdentifier();
+  return result;
+}
+
+}  // namespace blink