Replace Atomic32 with webrtc/base/atomicops.h.

webrtc/test/channel_transport/udp_socket2_manager_win.cc

Index: webrtc/test/channel_transport/udp_socket2_manager_win.cc
diff --git a/webrtc/test/channel_transport/udp_socket2_manager_win.cc b/webrtc/test/channel_transport/udp_socket2_manager_win.cc
index 55ddaee068324953946d595e427700894a504ce1..8ab70d3085ed8e98c0f04251fdad0e1a12e87227 100644
--- a/webrtc/test/channel_transport/udp_socket2_manager_win.cc
+++ b/webrtc/test/channel_transport/udp_socket2_manager_win.cc
@@ -13,6 +13,7 @@
 #include <assert.h>
 #include <stdio.h>
 
+#include "webrtc/base/atomicops.h"
 #include "webrtc/system_wrappers/interface/aligned_malloc.h"
 #include "webrtc/test/channel_transport/udp_socket2_win.h"
 
@@ -418,7 +419,7 @@ IoContextPool::IoContextPool()
 IoContextPool::~IoContextPool()
 {
     Free();
-    assert(_size.Value() == 0);
+    assert(rtc::AtomicOps::AcquireLoad(&_size) == 0);
     AlignedFree(_pListHead);
 }
 
@@ -461,9 +462,9 @@ PerIoContext* IoContextPool::PopIoContext()
         memset(&item->payload.ioContext,0,sizeof(PerIoContext));
         item->payload.base = item;
         pListEntry = &(item->itemEntry);
-        ++_size;
+        rtc::AtomicOps::Increment(&_size);
     }
-    ++_inUse;
+    rtc::AtomicOps::Increment(&_inUse);
     return &((IoContextPoolItem*)pListEntry)->payload.ioContext;
 }
 
@@ -476,8 +477,8 @@ int32_t IoContextPool::PushIoContext(PerIoContext* pIoContext)
 
     IoContextPoolItem* item = ((IoContextPoolItemPayload*)pIoContext)->base;
 
-    const int32_t usedItems = --_inUse;
-    const int32_t totalItems = _size.Value();
+    const int32_t usedItems = rtc::AtomicOps::Decrement(&_inUse);
+    const int32_t totalItems = rtc::AtomicOps::AcquireLoad(&_size);
     const int32_t freeItems = totalItems - usedItems;
     if(freeItems < 0)
     {
@@ -489,7 +490,7 @@ int32_t IoContextPool::PushIoContext(PerIoContext* pIoContext)
         overlappedIOCompleted)
     {
         AlignedFree(item);
-        --_size;
+        rtc::AtomicOps::Decrement(&_size);
         return 0;
     }
     InterlockedPushEntrySList(_pListHead, &(item->itemEntry));
@@ -509,7 +510,7 @@ int32_t IoContextPool::Free()
     {
         IoContextPoolItem* item = ((IoContextPoolItem*)pListEntry);
         AlignedFree(item);
-        --_size;
+        rtc::AtomicOps::Decrement(&_size);
         itemsFreed++;
         pListEntry = InterlockedPopEntrySList(_pListHead);
     }