[inspector_protocol] Support redirects and types whitelisting.

lib/DispatcherBase_h.template

Index: lib/DispatcherBase_h.template
diff --git a/lib/DispatcherBase_h.template b/lib/DispatcherBase_h.template
index 3a6069b6494b43955f0b3753150101a8020ef7f9..5404281dc6f0d3938362913ceb650bba8fb4a0fc 100644
--- a/lib/DispatcherBase_h.template
+++ b/lib/DispatcherBase_h.template
@@ -113,7 +113,8 @@ class {{config.lib.export_macro}} UberDispatcher {
 public:
     explicit UberDispatcher(FrontendChannel*);
     void registerBackend(const String& name, std::unique_ptr<protocol::DispatcherBase>);
-    DispatchResponse::Status dispatch(std::unique_ptr<Value> message);
+    void setupRedirects(const HashMap<String, String>&);
+    DispatchResponse::Status dispatch(std::unique_ptr<Value> message, int* callId = nullptr, String* method = nullptr);
     FrontendChannel* channel() { return m_frontendChannel; }
     bool fallThroughForNotFound() { return m_fallThroughForNotFound; }
     void setFallThroughForNotFound(bool);
@@ -122,6 +123,7 @@ public:
 private:
     FrontendChannel* m_frontendChannel;
     bool m_fallThroughForNotFound;
+    HashMap<String, String> m_redirects;
     protocol::HashMap<String, std::unique_ptr<protocol::DispatcherBase>> m_dispatchers;
 };