Make Mac swap code like other platforms

gpu/ipc/service/pass_through_image_transport_surface.cc

Index: gpu/ipc/service/pass_through_image_transport_surface.cc
diff --git a/gpu/ipc/service/pass_through_image_transport_surface.cc b/gpu/ipc/service/pass_through_image_transport_surface.cc
index 4ff2739c850dee17791f93eff4bf3705c8a287d7..0c2643f67788a193be3bbc9a261e120301f1f0fc 100644
--- a/gpu/ipc/service/pass_through_image_transport_surface.cc
+++ b/gpu/ipc/service/pass_through_image_transport_surface.cc
@@ -8,6 +8,7 @@
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "build/build_config.h"
+#include "gpu/ipc/common/gpu_messages.h"
 #include "gpu/ipc/service/gpu_command_buffer_stub.h"
 #include "ui/gfx/vsync_provider.h"
 #include "ui/gl/gl_context.h"
@@ -167,7 +168,10 @@ void PassThroughImageTransportSurface::FinishSwapBuffers(
         swap_ack_time, 1);
   }
 
-  stub_->SendSwapBuffersCompleted(*latency_info, result);
+  GpuCommandBufferMsg_SwapBuffersCompleted_Params params;
+  params.latency_info = *latency_info;
+  params.result = result;
+  stub_->SendSwapBuffersCompleted(params);
 }
 
 void PassThroughImageTransportSurface::FinishSwapBuffersAsync(