Changes to the EME Pepper API

ppapi/cpp/private/content_decryptor_private.h

Index: ppapi/cpp/private/content_decryptor_private.h
diff --git a/ppapi/cpp/private/content_decryptor_private.h b/ppapi/cpp/private/content_decryptor_private.h
index 477c6de5c25e23ad85a72794a19fd5e1d7305a4c..dabcd00d027f6858acaff7fa5df1aca8ec0b2003 100644
--- a/ppapi/cpp/private/content_decryptor_private.h
+++ b/ppapi/cpp/private/content_decryptor_private.h
@@ -31,8 +31,8 @@ class ContentDecryptor_Private {
   // TODO(tomfinegan): This could be optimized to pass pp::Var instead of
   // strings. The change would allow the CDM wrapper to reuse vars when
   // replying to the browser.
-  virtual void GenerateKeyRequest(const std::string& key_system,
-                                  const std::string& type,
+  virtual void Initialize(const std::string& key_system) = 0;
+  virtual void GenerateKeyRequest(const std::string& type,
                                   pp::VarArrayBuffer init_data) = 0;
   virtual void AddKey(const std::string& session_id,
                       pp::VarArrayBuffer key,
@@ -58,9 +58,6 @@ class ContentDecryptor_Private {
 
   // PPB_ContentDecryptor_Private methods for passing data from the decryptor
   // to the browser.
-  void NeedKey(const std::string& key_system,
-               const std::string& session_id,
-               pp::VarArrayBuffer init_data);
   void KeyAdded(const std::string& key_system,
                 const std::string& session_id);
   void KeyMessage(const std::string& key_system,