Add RTC_ prefix to contructormagic macros.

webrtc/sound/pulseaudiosoundsystem.cc

Index: webrtc/sound/pulseaudiosoundsystem.cc
diff --git a/webrtc/sound/pulseaudiosoundsystem.cc b/webrtc/sound/pulseaudiosoundsystem.cc
index abc6d500cb41bdfd138e716ccd1bba6229bea9b7..b44a1dfad76caff0cd1ce43ee626c28e238578d8 100644
--- a/webrtc/sound/pulseaudiosoundsystem.cc
+++ b/webrtc/sound/pulseaudiosoundsystem.cc
@@ -206,7 +206,7 @@ class PulseAudioStream {
   pa_stream *stream_;
   int flags_;
 
-  DISALLOW_COPY_AND_ASSIGN(PulseAudioStream);
+  RTC_DISALLOW_COPY_AND_ASSIGN(PulseAudioStream);
 };
 
 // Implementation of an input stream. See soundinputstreaminterface.h regarding
@@ -570,7 +570,7 @@ class PulseAudioInputStream :
   const void *temp_sample_data_;
   size_t temp_sample_data_size_;
 
-  DISALLOW_COPY_AND_ASSIGN(PulseAudioInputStream);
+  RTC_DISALLOW_COPY_AND_ASSIGN(PulseAudioInputStream);
 };
 
 // Implementation of an output stream. See soundoutputstreaminterface.h
@@ -954,7 +954,7 @@ class PulseAudioOutputStream :
   // Temporary storage for passing data between threads.
   size_t temp_buffer_space_;
 
-  DISALLOW_COPY_AND_ASSIGN(PulseAudioOutputStream);
+  RTC_DISALLOW_COPY_AND_ASSIGN(PulseAudioOutputStream);
 };
 
 PulseAudioSoundSystem::PulseAudioSoundSystem()