Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

content/renderer/media/media_stream_impl.cc

 // Copyright (c) 2012 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/media_stream_impl.h"
 
 #include <utility>
 
 #include "base/hash.h"
 #include "base/logging.h"
@@ skipping 119 matching lines @@
       options.audio_requested = true;
       CopyStreamConstraints(user_media_request.audioConstraints(),
                             &options.mandatory_audio,
                             &options.optional_audio);
 
       // Check if this input device should be used to select a matching output
       // device for audio rendering.
       std::string enable;
       if (options.GetFirstAudioConstraintByName(
               kMediaStreamRenderToAssociatedSink, &enable, NULL) &&
-          LowerCaseEqualsASCII(enable, "true")) {
+          base::LowerCaseEqualsASCII(enable, "true")) {
         enable_automatic_output_device_selection = true;
       }
     }
     if (user_media_request.video()) {
       options.video_requested = true;
       CopyStreamConstraints(user_media_request.videoConstraints(),
                             &options.mandatory_video,
                             &options.optional_video);
     }
 
@@ skipping 773 matching lines @@
       return;
     }
   }
 }
 
 bool MediaStreamImpl::UserMediaRequestInfo::HasPendingSources() const {
   return !sources_waiting_for_callback_.empty();
 }
 
 }  // namespace content