Remove unused createContentDecryptionModule() code.

content/renderer/media/webcontentdecryptionmodule_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/webcontentdecryptionmodule_impl.h"
 
 #include <map>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 10 matching lines @@
 #include "content/renderer/media/crypto/pepper_cdm_wrapper_impl.h"
 #endif
 
 namespace blink {
 class WebFrame;
 }
 
 namespace content {
 
 WebContentDecryptionModuleImpl* WebContentDecryptionModuleImpl::Create(
-    const base::string16& key_system) {
-  blink::WebSecurityOrigin no_origin;
-  return WebContentDecryptionModuleImpl::Create(NULL, no_origin, key_system);
-}
-
-WebContentDecryptionModuleImpl* WebContentDecryptionModuleImpl::Create(
     blink::WebFrame* frame,
     const blink::WebSecurityOrigin& security_origin,
     const base::string16& key_system) {
   // TODO(jrummell): Use |security_origin| rather than using the document URL.
-  // TODO(jrummell): Once the other Create() method is removed, validate |frame|
-  // and |security_origin|.
+  DCHECK(frame);
+  DCHECK(!security_origin.isNull());
   DCHECK(!key_system.empty());
 
   // TODO(ddorwin): Guard against this in supported types check and remove this.
   // Chromium only supports ASCII key systems.
   if (!IsStringASCII(key_system)) {
     NOTREACHED();
     return NULL;
   }
 
   scoped_refptr<CdmSessionAdapter> adapter(new CdmSessionAdapter());
@@ skipping 21 matching lines @@
 WebContentDecryptionModuleImpl::createSession(
     blink::WebContentDecryptionModuleSession::Client* client) {
   return adapter_->CreateSession(client);
 }
 
 media::Decryptor* WebContentDecryptionModuleImpl::GetDecryptor() {
   return adapter_->GetDecryptor();
 }
 
 }  // namespace content