Implement MediaSource support for mojo.

media/blink/null_encrypted_media_player_support.cc

 // Copyright 2014 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 "media/blink/null_encrypted_media_player_support.h"
 
+#include "base/bind.h"
 #include "third_party/WebKit/public/platform/WebContentDecryptionModule.h"
 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h"
 
 namespace media {
 
+static void NeedKeyHandler(const std::string& type,

[jamesr, 2014/10/16 18:24:01]

i think instead of static putting this in a anonymous namespace would be better
so you don't collide with anything that someone else wants to put in namespace
media with this name

[DaleCurtis, 2014/10/16 18:29:50]

media code typically prefers the static prefix to anonymous namespace, but since
this is EME code I defer to whatever xhwang@ wants.

+                           const std::vector<uint8>& init_data) {
+  NOTIMPLEMENTED();
+}
+
 scoped_ptr<EncryptedMediaPlayerSupport>
 NullEncryptedMediaPlayerSupport::Create(blink::WebMediaPlayerClient* client) {
   return scoped_ptr<EncryptedMediaPlayerSupport>(
       new NullEncryptedMediaPlayerSupport());
 }
 
 NullEncryptedMediaPlayerSupport::NullEncryptedMediaPlayerSupport() {
 }
 
 NullEncryptedMediaPlayerSupport::~NullEncryptedMediaPlayerSupport() {
@@ skipping 37 matching lines @@
 void NullEncryptedMediaPlayerSupport::SetContentDecryptionModule(
     blink::WebContentDecryptionModule* cdm,
     blink::WebContentDecryptionModuleResult result) {
   result.completeWithError(
       blink::WebContentDecryptionModuleExceptionNotSupportedError,
       0,
       "Null MediaKeys object is not supported.");
 }
 
 Demuxer::NeedKeyCB NullEncryptedMediaPlayerSupport::CreateNeedKeyCB() {
-  return Demuxer::NeedKeyCB();
+  return base::Bind(&NeedKeyHandler);
 }
 
 SetDecryptorReadyCB
 NullEncryptedMediaPlayerSupport::CreateSetDecryptorReadyCB() {
   return SetDecryptorReadyCB();
 }
 
 void NullEncryptedMediaPlayerSupport::OnPipelineDecryptError() {
 }
 
 }  // namespace media