Explicitly differentiate key system support functions by EME version.

content/renderer/media/android/webmediaplayer_android.cc

 // Copyright 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 "content/renderer/media/android/webmediaplayer_android.h"
 
 #include <limits>
 
 #include "base/android/build_info.h"
 #include "base/bind.h"
@@ skipping 1448 matching lines @@
   MediaKeyException result_id = MediaKeyExceptionForUMA(e);
   DCHECK_NE(result_id, kUnknownResultId) << e;
   EmeUMAHistogramEnumeration(
       key_system, method, result_id, kMaxMediaKeyException);
 }
 
 bool WebMediaPlayerAndroid::IsKeySystemSupported(
     const std::string& key_system) {
   // On Android, EME only works with MSE.
   return player_type_ == MEDIA_PLAYER_TYPE_MEDIA_SOURCE &&
-         media::IsConcreteSupportedKeySystem(key_system);
+         media::PrefixedIsSupportedConcreteKeySystem(key_system);
 }
 
 WebMediaPlayer::MediaKeyException WebMediaPlayerAndroid::generateKeyRequest(
     const WebString& key_system,
     const unsigned char* init_data,
     unsigned init_data_length) {
   DVLOG(1) << "generateKeyRequest: " << base::string16(key_system) << ": "
            << std::string(reinterpret_cast<const char*>(init_data),
                           static_cast<size_t>(init_data_length));
 
@@ skipping 342 matching lines @@
 
 bool WebMediaPlayerAndroid::IsHLSStream() const {
   std::string mime;
   GURL url = redirected_url_.is_empty() ? url_ : redirected_url_;
   if (!net::GetMimeTypeFromFile(base::FilePath(url.path()), &mime))
     return false;
   return !mime.compare("application/x-mpegurl");
 }
 
 }  // namespace content