Initialize next_session_id_ in ProxyMediaKeys.

content/renderer/media/crypto/proxy_media_keys.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 "content/renderer/media/crypto/proxy_media_keys.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ skipping 192 matching lines @@
 ProxyMediaKeys::ProxyMediaKeys(
     RendererCdmManager* manager,
     const media::SessionMessageCB& session_message_cb,
     const media::SessionReadyCB& session_ready_cb,
     const media::SessionClosedCB& session_closed_cb,
     const media::SessionErrorCB& session_error_cb)
     : manager_(manager),
       session_message_cb_(session_message_cb),
       session_ready_cb_(session_ready_cb),
       session_closed_cb_(session_closed_cb),
-      session_error_cb_(session_error_cb) {
+      session_error_cb_(session_error_cb),
+      next_session_id_(1) {
   cdm_id_ = manager->RegisterMediaKeys(this);
 }
 
 void ProxyMediaKeys::InitializeCdm(const std::string& key_system,
                                    const GURL& security_origin) {
   manager_->InitializeCdm(cdm_id_, this, key_system, security_origin);
 }
 
 uint32_t ProxyMediaKeys::CreateSessionId() {
   return next_session_id_++;
@@ skipping 39 matching lines @@
 
 scoped_ptr<media::CdmPromise> ProxyMediaKeys::TakePromise(uint32_t session_id) {
   PromiseMap::iterator it = session_id_to_promise_map_.find(session_id);
   // May not be a promise associated with this session for asynchronous events.
   if (it == session_id_to_promise_map_.end())
     return scoped_ptr<media::CdmPromise>();
   return session_id_to_promise_map_.take_and_erase(it);
 }
 
 }  // namespace content