Replace Atomic32 with webrtc/base/atomicops.h.

webrtc/voice_engine/test/auto_test/fixtures/after_initialization_fixture.h

Index: webrtc/voice_engine/test/auto_test/fixtures/after_initialization_fixture.h
diff --git a/webrtc/voice_engine/test/auto_test/fixtures/after_initialization_fixture.h b/webrtc/voice_engine/test/auto_test/fixtures/after_initialization_fixture.h
index 11397c1c597ab9bde4a5633a25dd9994534d244a..fdf66ad04d329598936cac9f0db621f997eed500 100644
--- a/webrtc/voice_engine/test/auto_test/fixtures/after_initialization_fixture.h
+++ b/webrtc/voice_engine/test/auto_test/fixtures/after_initialization_fixture.h
@@ -13,10 +13,10 @@
 
 #include <deque>
 
+#include "webrtc/base/atomicops.h"
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/common_types.h"
 #include "webrtc/modules/rtp_rtcp/source/byte_io.h"
-#include "webrtc/system_wrappers/interface/atomic32.h"
 #include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
 #include "webrtc/system_wrappers/interface/event_wrapper.h"
 #include "webrtc/system_wrappers/interface/sleep.h"
@@ -55,8 +55,9 @@ class LoopBackTransport : public webrtc::Transport {
     enum {
       kSleepIntervalMs = 10
     };
-    int32_t limit = transmitted_packets_.Value() + packet_count;
-    while (transmitted_packets_.Value() < limit) {
+    int32_t limit =
+        rtc::AtomicOps::AcquireLoad(&transmitted_packets_) + packet_count;
+    while (rtc::AtomicOps::AcquireLoad(&transmitted_packets_) < limit) {
       webrtc::SleepMs(kSleepIntervalMs);
     }
   }
@@ -138,7 +139,7 @@ class LoopBackTransport : public webrtc::Transport {
           voe_network_->ReceivedRTCPPacket(channel, p.data, p.len);
           break;
       }
-      ++transmitted_packets_;
+      rtc::AtomicOps::Increment(&transmitted_packets_);
     }
     return true;
   }
@@ -150,7 +151,7 @@ class LoopBackTransport : public webrtc::Transport {
   const int channel_;
   std::map<uint32_t, int> channels_ GUARDED_BY(crit_.get());
   webrtc::VoENetwork* const voe_network_;
-  webrtc::Atomic32 transmitted_packets_;
+  volatile int transmitted_packets_;
 };
 
 // This fixture initializes the voice engine in addition to the work