Make Mac swap code like other platforms

content/browser/compositor/software_browser_compositor_output_surface.cc

 // Copyright 2014 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/browser/compositor/software_browser_compositor_output_surface.h"
 
 #include <utility>
 
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
@@ skipping 42 matching lines @@
     vsync_provider->GetVSyncParameters(base::Bind(
         &BrowserCompositorOutputSurface::OnUpdateVSyncParametersFromGpu,
         weak_factory_.GetWeakPtr()));
   }
   PostSwapBuffersComplete();
   client_->DidSwapBuffers();
 }
 
 void SoftwareBrowserCompositorOutputSurface::OnGpuSwapBuffersCompleted(
     const std::vector<ui::LatencyInfo>& latency_info,
-    gfx::SwapResult result) {
+    gfx::SwapResult result,
+    const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac) {
   NOTREACHED();
 }
 
 #if defined(OS_MACOSX)
 void SoftwareBrowserCompositorOutputSurface::SetSurfaceSuspendedForRecycle(
     bool suspended) {
 }
 
 bool SoftwareBrowserCompositorOutputSurface::
     SurfaceShouldNotShowFramesAfterSuspendForRecycle() const {
   return false;
 }
 #endif
 
 }  // namespace content