media: Use stl utilities from the base namespace

media/blink/cdm_session_adapter.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/cdm_session_adapter.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 59 matching lines @@
 }
 
 WebContentDecryptionModuleSessionImpl* CdmSessionAdapter::CreateSession() {
   return new WebContentDecryptionModuleSessionImpl(this);
 }
 
 bool CdmSessionAdapter::RegisterSession(
     const std::string& session_id,
     base::WeakPtr<WebContentDecryptionModuleSessionImpl> session) {
   // If this session ID is already registered, don't register it again.
-  if (ContainsKey(sessions_, session_id))
+  if (base::ContainsKey(sessions_, session_id))
     return false;
 
   sessions_[session_id] = session;
   return true;
 }
 
 void CdmSessionAdapter::UnregisterSession(const std::string& session_id) {
-  DCHECK(ContainsKey(sessions_, session_id));
+  DCHECK(base::ContainsKey(sessions_, session_id));
   sessions_.erase(session_id);
 }
 
 void CdmSessionAdapter::InitializeNewSession(
     EmeInitDataType init_data_type,
     const std::vector<uint8_t>& init_data,
     MediaKeys::SessionType session_type,
     std::unique_ptr<NewSessionCdmPromise> promise) {
   cdm_->CreateSessionAndGenerateRequest(session_type, init_data_type, init_data,
                                         std::move(promise));
@@ skipping 135 matching lines @@
   // Note: This leaks memory, which is expected behavior.
   base::HistogramBase* histogram = base::Histogram::FactoryTimeGet(
       GetKeySystemUMAPrefix() + kTimeToCreateCdmUMAName,
       base::TimeDelta::FromMilliseconds(1), base::TimeDelta::FromSeconds(10),
       50, base::HistogramBase::kUmaTargetedHistogramFlag);
 
   histogram->AddTime(time);
 }
 
 }  // namespace media