Replace Atomic32 with webrtc/base/atomicops.h.

webrtc/voice_engine/channel_manager.cc

Index: webrtc/voice_engine/channel_manager.cc
diff --git a/webrtc/voice_engine/channel_manager.cc b/webrtc/voice_engine/channel_manager.cc
index 8452c8b63dbb5a259eebe2f210215c079c69266f..5677b511a16435a7e290db4776a45208b9189ad4 100644
--- a/webrtc/voice_engine/channel_manager.cc
+++ b/webrtc/voice_engine/channel_manager.cc
@@ -10,6 +10,7 @@
 
 #include "webrtc/voice_engine/channel_manager.h"
 
+#include "webrtc/base/atomicops.h"
 #include "webrtc/common.h"
 #include "webrtc/voice_engine/channel.h"
 
@@ -21,11 +22,11 @@ ChannelOwner::ChannelOwner(class Channel* channel)
 
 ChannelOwner::ChannelOwner(const ChannelOwner& channel_owner)
     : channel_ref_(channel_owner.channel_ref_) {
-  ++channel_ref_->ref_count;
+  rtc::AtomicOps::Increment(&channel_ref_->ref_count);
 }
 
 ChannelOwner::~ChannelOwner() {
-  if (--channel_ref_->ref_count == 0)
+  if (rtc::AtomicOps::Decrement(&channel_ref_->ref_count) == 0)
     delete channel_ref_;
 }
 
@@ -33,11 +34,11 @@ ChannelOwner& ChannelOwner::operator=(const ChannelOwner& other) {
   if (other.channel_ref_ == channel_ref_)
     return *this;
 
-  if (--channel_ref_->ref_count == 0)
+  if (rtc::AtomicOps::Decrement(&channel_ref_->ref_count) == 0)
     delete channel_ref_;
 
   channel_ref_ = other.channel_ref_;
-  ++channel_ref_->ref_count;
+  rtc::AtomicOps::Increment(&channel_ref_->ref_count);
 
   return *this;
 }
@@ -62,8 +63,8 @@ ChannelOwner ChannelManager::CreateChannel(const Config& external_config) {
 
 ChannelOwner ChannelManager::CreateChannelInternal(const Config& config) {
   Channel* channel;
-  Channel::CreateChannel(channel, ++last_channel_id_, instance_id_,
-                         event_log_.get(), config);
+  Channel::CreateChannel(channel, rtc::AtomicOps::Increment(&last_channel_id_),
+                         instance_id_, event_log_.get(), config);
   ChannelOwner channel_owner(channel);
 
   CriticalSectionScoped crit(lock_.get());