media: Create MediaCrypto upon MediaDrmBridge creation.

media/base/android/media_drm_bridge.cc

 // Copyright (c) 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 "media/base/android/media_drm_bridge.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <utility>
 
@@ skipping 274 matching lines @@
     media_drm_bridge = nullptr;
 
   return media_drm_bridge;
 }
 
 // static
 scoped_refptr<MediaDrmBridge> MediaDrmBridge::CreateWithoutSessionSupport(
     const std::string& key_system,
     SecurityLevel security_level,
     const CreateFetcherCB& create_fetcher_cb) {
+  DVLOG(1) << __FUNCTION__;
+
   return MediaDrmBridge::Create(key_system, security_level, create_fetcher_cb,
                                 SessionMessageCB(), SessionClosedCB(),
                                 LegacySessionErrorCB(), SessionKeysChangeCB(),
                                 SessionExpirationUpdateCB());
 }
 
 void MediaDrmBridge::SetServerCertificate(
     const std::vector<uint8_t>& certificate,
     scoped_ptr<media::SimpleCdmPromise> promise) {
   DVLOG(2) << __FUNCTION__;
@@ skipping 418 matching lines @@
   JNIEnv* env = AttachCurrentThread();
   CHECK(env);
 
   ScopedJavaLocalRef<jbyteArray> j_scheme_uuid =
       base::android::ToJavaByteArray(env, &scheme_uuid[0], scheme_uuid.size());
 
   std::string security_level_str = GetSecurityLevelString(security_level);
   ScopedJavaLocalRef<jstring> j_security_level =
       ConvertUTF8ToJavaString(env, security_level_str);
 
+  // Note: OnMediaCryptoReady() could be called in this call.
   j_media_drm_.Reset(Java_MediaDrmBridge_create(
       env, j_scheme_uuid.obj(), j_security_level.obj(),
       reinterpret_cast<intptr_t>(this)));
 }
 
 MediaDrmBridge::~MediaDrmBridge() {
   DCHECK(task_runner_->BelongsToCurrentThread());
   DVLOG(1) << __FUNCTION__;
 
   JNIEnv* env = AttachCurrentThread();
@@ skipping 83 matching lines @@
   JNIEnv* env = AttachCurrentThread();
 
   ScopedJavaLocalRef<jbyteArray> j_response = base::android::ToJavaByteArray(
       env, reinterpret_cast<const uint8_t*>(response.data()), response.size());
 
   Java_MediaDrmBridge_processProvisionResponse(env, j_media_drm_.obj(), success,
                                                j_response.obj());
 }
 
 }  // namespace media