Replace Atomic32 with webrtc/base/atomicops.h.

webrtc/modules/desktop_capture/shared_desktop_frame.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/modules/desktop_capture/shared_desktop_frame.h"
 
+#include "webrtc/base/atomicops.h"
 #include "webrtc/base/scoped_ptr.h"
-#include "webrtc/system_wrappers/interface/atomic32.h"
 
 namespace webrtc {
 
 class SharedDesktopFrame::Core {
  public:
-  Core(DesktopFrame* frame) : frame_(frame) {}
+  Core(DesktopFrame* frame) : ref_count_(0), frame_(frame) {}
 
   DesktopFrame* frame() { return frame_.get(); }
 
-  bool HasOneRef() { return ref_count_.Value() == 1; }
+  bool HasOneRef() { return rtc::AtomicOps::AcquireLoad(&ref_count_) == 1; }
 
-  virtual int32_t AddRef() {
-    return ++ref_count_;
-  }
+  virtual int32_t AddRef() { return rtc::AtomicOps::Increment(&ref_count_); }
 
   virtual int32_t Release() {
     int32_t ref_count;
-    ref_count = --ref_count_;
+    ref_count = rtc::AtomicOps::Decrement(&ref_count_);
     if (ref_count == 0)
       delete this;
     return ref_count;
   }
 
  private:
   virtual ~Core() {}
 
-  Atomic32 ref_count_;
+  volatile int ref_count_;
   rtc::scoped_ptr<DesktopFrame> frame_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(Core);
 };
 
 SharedDesktopFrame::~SharedDesktopFrame() {}
 
 // static
 SharedDesktopFrame* SharedDesktopFrame::Wrap(
     DesktopFrame* desktop_frame) {
@@ skipping 19 matching lines @@
 
 SharedDesktopFrame::SharedDesktopFrame(rtc::scoped_refptr<Core> core)
     : DesktopFrame(core->frame()->size(),
                    core->frame()->stride(),
                    core->frame()->data(),
                    core->frame()->shared_memory()),
       core_(core) {
 }
 
 }  // namespace webrtc