Revert 130180 - Move media/audio files into media namespace

media/audio/simple_sources_unittest.cc

Index: media/audio/simple_sources_unittest.cc
===================================================================
--- media/audio/simple_sources_unittest.cc	(revision 130181)
+++ media/audio/simple_sources_unittest.cc	(working copy)
@@ -11,8 +11,6 @@
 #include "media/audio/simple_sources.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-namespace media {
-
 static void GenerateRandomData(char* buffer, uint32 len) {
   static bool called = false;
   if (!called) {
@@ -101,5 +99,3 @@
   EXPECT_TRUE(last_buffer[half_period + 2] > last_buffer[half_period + 3]);
   oas->Close();
 }
-
-}  // namespace media