Remove incorrect DCHECK in ~BrowserCdmManager.

content/browser/media/cdm/browser_cdm_manager.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/browser/media/cdm/browser_cdm_manager.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
@@ skipping 159 matching lines @@
 
   if (!task_runner_.get()) {
     task_runner_ =
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI);
   }
 }
 
 BrowserCdmManager::~BrowserCdmManager() {
   DVLOG(1) << __FUNCTION__ << ": " << render_process_id_;
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  DCHECK(g_browser_cdm_manager_map.Get().count(render_process_id_) == 0);
 }
 
 // Makes sure BrowserCdmManager is always deleted on the Browser UI thread.
 void BrowserCdmManager::OnDestruct() const {
   DVLOG(1) << __FUNCTION__ << ": " << render_process_id_;
   if (BrowserThread::CurrentlyOn(BrowserThread::UI)) {
     delete this;
   } else {
     BrowserThread::DeleteSoon(BrowserThread::UI, FROM_HERE, this);
   }
@@ skipping 484 matching lines @@
   BrowserCdm* cdm = GetCdm(render_frame_id, cdm_id);
   if (!cdm) {
     promise->reject(MediaKeys::INVALID_STATE_ERROR, 0, "CDM not found.");
     return;
   }
 
   cdm->LoadSession(session_type, session_id, promise.Pass());
 }
 
 }  // namespace content