Changes to the EME Pepper API

content/renderer/pepper/content_decryptor_delegate.cc

Index: content/renderer/pepper/content_decryptor_delegate.cc
diff --git a/content/renderer/pepper/content_decryptor_delegate.cc b/content/renderer/pepper/content_decryptor_delegate.cc
index 94d89285de59a65022b5340ec116f7ee2db8ed09..32383d60dd530b30dffbb7ce4151e2eec87a567e 100644
--- a/content/renderer/pepper/content_decryptor_delegate.cc
+++ b/content/renderer/pepper/content_decryptor_delegate.cc
@@ -244,9 +244,12 @@ ContentDecryptorDelegate::~ContentDecryptorDelegate() {
 }
 
 void ContentDecryptorDelegate::Initialize(const std::string& key_system) {
-  // TODO(ddorwin): Add an Initialize method to PPP_ContentDecryptor_Private.
   DCHECK(!key_system.empty());
+  DCHECK(key_system_.empty());
   key_system_ = key_system;
+  plugin_decryption_interface_->Initialize(
+      pp_instance_,
+      StringVar::StringToPPVar(key_system_));
 }
 
 void ContentDecryptorDelegate::SetKeyEventCallbacks(
@@ -267,7 +270,6 @@ bool ContentDecryptorDelegate::GenerateKeyRequest(const std::string& type,
 
   plugin_decryption_interface_->GenerateKeyRequest(
       pp_instance_,
-      StringVar::StringToPPVar(key_system_),  // TODO(ddorwin): Remove.
       StringVar::StringToPPVar(type),
       init_data_array);
   return true;