Fix outstanding swap count with software device.

content/renderer/gpu/compositor_output_surface.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/gpu/compositor_output_surface.h"
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
@@ skipping 51 matching lines @@
       // TODO(epenner): Implement PlatformThread::CurrentHandle() on windows.
       main_thread_handle_(base::PlatformThreadHandle())
 #else
       main_thread_handle_(base::PlatformThread::CurrentHandle())
 #endif
 {
   DCHECK(output_surface_filter_.get());
   DetachFromThread();
   message_sender_ = RenderThreadImpl::current()->sync_message_filter();
   DCHECK(message_sender_.get());
-  if (software_device)
+  if (OutputSurface::software_device())
     capabilities_.max_frames_pending = 1;
 }
 
 CompositorOutputSurface::~CompositorOutputSurface() {
   DCHECK(CalledOnValidThread());
   SetNeedsBeginFrame(false);
   if (!HasClient())
     return;
   UpdateSmoothnessTakesPriority(false);
   if (output_surface_proxy_.get())
@@ skipping 133 matching lines @@
   // If this is the last surface to stop preferring smoothness,
   // Reset the main thread's priority to the default.
   if (prefers_smoothness_ == true &&
       --g_prefer_smoothness_count == 0) {
     SetThreadPriorityToDefault(main_thread_handle_);
   }
   prefers_smoothness_ = prefers_smoothness;
 }
 
 }  // namespace content