PPAPI/NaCl: Move event dispatching from the plugin

ppapi/native_client/src/trusted/plugin/plugin.h

Index: ppapi/native_client/src/trusted/plugin/plugin.h
diff --git a/ppapi/native_client/src/trusted/plugin/plugin.h b/ppapi/native_client/src/trusted/plugin/plugin.h
index c1a93880afc398bc29232ebb07135c8d832448ac..401978d0c726e81ec82256668a8358626f9f784b 100644
--- a/ppapi/native_client/src/trusted/plugin/plugin.h
+++ b/ppapi/native_client/src/trusted/plugin/plugin.h
@@ -146,22 +146,13 @@ class Plugin : public pp::InstancePrivate {
   // event (loadstart, progress, error, abort, load, loadend).  Events are
   // enqueued on the JavaScript event loop, which then calls back through
   // DispatchProgressEvent.
-  void EnqueueProgressEvent(const char* event_type);
-  void EnqueueProgressEvent(const char* event_type,
+  void EnqueueProgressEvent(PP_NaClEventType event_type);
+  void EnqueueProgressEvent(PP_NaClEventType event_type,
                             const nacl::string& url,
                             LengthComputable length_computable,
                             uint64_t loaded_bytes,
                             uint64_t total_bytes);
 
-  // Progress event types.
-  static const char* const kProgressEventLoadStart;
-  static const char* const kProgressEventProgress;
-  static const char* const kProgressEventError;
-  static const char* const kProgressEventAbort;
-  static const char* const kProgressEventLoad;
-  static const char* const kProgressEventLoadEnd;
-  static const char* const kProgressEventCrash;
-
   // Report the error code that sel_ldr produces when starting a nexe.
   void ReportSelLdrLoadStatus(int status);