Revert of DevTools: remove dependency of most agents on InspectorPageAgent

Source/core/inspector/InspectorResolver.h

Index: Source/core/inspector/InspectorResolver.h
diff --git a/Source/core/inspector/InspectorResolver.h b/Source/core/inspector/InspectorResolver.h
deleted file mode 100644
index d5578209f86ba41b544c9ecc17690ba9236c716e..0000000000000000000000000000000000000000
--- a/Source/core/inspector/InspectorResolver.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright 2015 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 InspectorResolver_h
-#define InspectorResolver_h
-
-namespace WTF {
-class String;
-}
-
-namespace blink {
-
-class DocumentLoader;
-class LocalFrame;
-class Node;
-
-namespace InspectorResolver {
-
-Node* resolveNode(LocalFrame* inspectedFrame, int identifier);
-LocalFrame* resolveFrame(LocalFrame* inspectedFrame, const WTF::String& identifier);
-
-} // namespace InspectorResolver
-} // namespace blink
-
-#endif