Connect PpapiDecryptor and PluginInstance.

webkit/media/crypto/ppapi_decryptor.h

Index: webkit/media/crypto/ppapi_decryptor.h
diff --git a/webkit/media/crypto/ppapi_decryptor.h b/webkit/media/crypto/ppapi_decryptor.h
index c779b17b03869bea2dc6469cd32b4772e9eea39f..119c9a30ba7441d0b7fab7ced5777b7dac2cfda3 100644
--- a/webkit/media/crypto/ppapi_decryptor.h
+++ b/webkit/media/crypto/ppapi_decryptor.h
@@ -10,6 +10,10 @@
 #include "base/memory/ref_counted.h"
 #include "media/base/decryptor.h"
 
+namespace base {
+class MessageLoopProxy;
+}
+
 namespace media {
 class DecryptorClient;
 }
@@ -46,13 +50,9 @@ class PpapiDecryptor : public media::Decryptor {
   virtual void Stop() OVERRIDE;
 
  private:
-  // Callback for the plugin to hand back the decrypted data.
-  void DataReady(const DecryptCB& decrypt_cb, const uint8* data, int data_size);
-
-  // TODO(xhwang): Need to figure out how the CDM plugin fires key events
-  // (e.g. KeyMessage).
   media::DecryptorClient* client_;
   scoped_refptr<webkit::ppapi::PluginInstance> cdm_plugin_;
+  scoped_refptr<base::MessageLoopProxy> render_loop_proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(PpapiDecryptor);
 };