Pepper: Clarify end-of-bitcode-stream behavior.

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

Index: ppapi/native_client/src/trusted/plugin/pnacl_translate_thread.h
diff --git a/ppapi/native_client/src/trusted/plugin/pnacl_translate_thread.h b/ppapi/native_client/src/trusted/plugin/pnacl_translate_thread.h
index e55121235578f5c68fc7b4b19aebaf6863fbd4b1..ed0c7d7268fc5ea6b42d693ed27d6c47cad8f879 100644
--- a/ppapi/native_client/src/trusted/plugin/pnacl_translate_thread.h
+++ b/ppapi/native_client/src/trusted/plugin/pnacl_translate_thread.h
@@ -63,6 +63,10 @@ class PnaclTranslateThread {
   // Send bitcode bytes to the translator. Called from the main thread.
   void PutBytes(std::vector<char>* data, int count);
 
+  // Notify the translator that the end of the bitcode stream has been reached.
+  // Called from the main thread.
+  void EndStream();
+
   int64_t GetCompileTime() const { return compile_time_; }
 
  private: