[Extensions Bindings] Remove ScriptContext::DispatchEvent

chrome/renderer/extensions/cast_streaming_native_handler.h

Index: chrome/renderer/extensions/cast_streaming_native_handler.h
diff --git a/chrome/renderer/extensions/cast_streaming_native_handler.h b/chrome/renderer/extensions/cast_streaming_native_handler.h
index 946099fd5b1d01c3920225b77c3e40b3bf059ed5..f5fdb9ddac308fed69921b335f648dde7165555f 100644
--- a/chrome/renderer/extensions/cast_streaming_native_handler.h
+++ b/chrome/renderer/extensions/cast_streaming_native_handler.h
@@ -36,11 +36,13 @@ 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:
@@ -140,6 +142,8 @@ class CastStreamingNativeHandler : public ObjectBackedNativeHandler {
   RtpStreamCallbackMap get_raw_events_callbacks_;
   RtpStreamCallbackMap get_stats_callbacks_;
 
+  ExtensionBindingsSystem* bindings_system_;
+
   base::WeakPtrFactory<CastStreamingNativeHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CastStreamingNativeHandler);