[Extensions Bindings] Remove ScriptContext::DispatchEvent

chrome/renderer/extensions/cast_streaming_native_handler.h

 // Copyright 2013 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 CHROME_RENDERER_EXTENSIONS_CAST_STREAMING_NATIVE_HANDLER_H_
 #define CHROME_RENDERER_EXTENSIONS_CAST_STREAMING_NATIVE_HANDLER_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 18 matching lines @@
 namespace media {
 class AudioCapturerSource;
 class AudioParameters;
 class VideoCapturerSource;
 namespace cast {
 struct FrameReceiverConfig;
 }
 }
 
 namespace extensions {
+class ExtensionBindingsSystem;
 
 // Native code that handle chrome.webrtc custom bindings.
 class CastStreamingNativeHandler : public ObjectBackedNativeHandler {
  public:
-  explicit CastStreamingNativeHandler(ScriptContext* context);
+  CastStreamingNativeHandler(ScriptContext* context,
+                             ExtensionBindingsSystem* bindings_system);
   ~CastStreamingNativeHandler() override;
 
  protected:
   // Shut down all sessions and cancel any in-progress operations because the
   // ScriptContext is about to become invalid.
   void Invalidate() override;
 
  private:
   void CreateCastSession(
       const v8::FunctionCallbackInfo<v8::Value>& args);
@@ skipping 79 matching lines @@
 
   using UdpTransportMap = std::map<int, std::unique_ptr<CastUdpTransport>>;
   UdpTransportMap udp_transport_map_;
 
   v8::Global<v8::Function> create_callback_;
 
   using RtpStreamCallbackMap = std::map<int, v8::Global<v8::Function>>;
   RtpStreamCallbackMap get_raw_events_callbacks_;
   RtpStreamCallbackMap get_stats_callbacks_;
 
+  ExtensionBindingsSystem* bindings_system_;
+
   base::WeakPtrFactory<CastStreamingNativeHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CastStreamingNativeHandler);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_CAST_STREAMING_NATIVE_HANDLER_H_