Replace Atomic32 with webrtc/base/atomicops.h.

webrtc/call/transport_adapter.cc

Index: webrtc/call/transport_adapter.cc
diff --git a/webrtc/call/transport_adapter.cc b/webrtc/call/transport_adapter.cc
index 733f3dba8f8973c5cbacf0d6f949c47bafb766d5..f7c6368601181af8e3aa6884abce827c95d58c5b 100644
--- a/webrtc/call/transport_adapter.cc
+++ b/webrtc/call/transport_adapter.cc
@@ -10,6 +10,7 @@
 
 #include "webrtc/call/transport_adapter.h"
 
+#include "webrtc/base/atomicops.h"
 #include "webrtc/base/checks.h"
 
 namespace webrtc {
@@ -21,7 +22,7 @@ TransportAdapter::TransportAdapter(newapi::Transport* transport)
 }
 
 int TransportAdapter::SendPacket(const void* packet, size_t length) {
-  if (enabled_.Value() == 0)
+  if (rtc::AtomicOps::AcquireLoad(&enabled_) == 0)
     return false;
 
   bool success = transport_->SendRtp(static_cast<const uint8_t*>(packet),
@@ -30,7 +31,7 @@ int TransportAdapter::SendPacket(const void* packet, size_t length) {
 }
 
 int TransportAdapter::SendRTCPPacket(const void* packet, size_t length) {
-  if (enabled_.Value() == 0)
+  if (rtc::AtomicOps::AcquireLoad(&enabled_) == 0)
     return false;
 
   bool success = transport_->SendRtcp(static_cast<const uint8_t*>(packet),
@@ -39,12 +40,12 @@ int TransportAdapter::SendRTCPPacket(const void* packet, size_t length) {
 }
 
 void TransportAdapter::Enable() {
-  // If this exchange fails it means enabled_ was already true, no need to
-  // check result and iterate.
-  enabled_.CompareExchange(1, 0);
+  rtc::AtomicOps::ReleaseStore(&enabled_, 1);
 }
 
-void TransportAdapter::Disable() { enabled_.CompareExchange(0, 1); }
+void TransportAdapter::Disable() {
+  rtc::AtomicOps::ReleaseStore(&enabled_, 0);
+}
 
 }  // namespace internal
 }  // namespace webrtc