sync compositor: Fix multiprocess software clipping

content/renderer/android/synchronous_compositor_proxy.cc

Index: content/renderer/android/synchronous_compositor_proxy.cc
diff --git a/content/renderer/android/synchronous_compositor_proxy.cc b/content/renderer/android/synchronous_compositor_proxy.cc
index 2ec56fed860436ad4a4c37926311107cd159aeba..29bb3ee4c4d2ff0292d17f64798fa758797d4a9d 100644
--- a/content/renderer/android/synchronous_compositor_proxy.cc
+++ b/content/renderer/android/synchronous_compositor_proxy.cc
@@ -313,8 +313,8 @@ void SynchronousCompositorProxy::DoDemandDrawSw(
   if (!bitmap.installPixels(info, software_draw_shm_->shm.memory(), stride))
     return;
   SkCanvas canvas(bitmap);
-  canvas.concat(params.transform.matrix());
   canvas.clipRect(gfx::RectToSkRect(params.clip));
+  canvas.concat(params.transform.matrix());
 
   compositor_frame_sink_->DemandDrawSw(&canvas);
 }