Fix test_compositor_host_mac after r135888

ui/compositor/test/test_compositor_host_mac.mm

Index: ui/compositor/test/test_compositor_host_mac.mm
diff --git a/ui/compositor/test/test_compositor_host_mac.mm b/ui/compositor/test/test_compositor_host_mac.mm
index 3d237aab58fceca9662a768f9b250101112c7ba1..e808b80abd4f13142c8c29b21ed17fb55164744e 100644
--- a/ui/compositor/test/test_compositor_host_mac.mm
+++ b/ui/compositor/test/test_compositor_host_mac.mm
@@ -127,7 +127,8 @@ void TestCompositorHostMac::Show() {
                             backing:NSBackingStoreBuffered
                               defer:NO];
   scoped_nsobject<AcceleratedTestView> view([[AcceleratedTestView alloc] init]);
-  compositor_.reset(new ui::Compositor(this, view, bounds_.size()));
+  compositor_.reset(new ui::Compositor(this, view));
+  compositor_->SetScaleAndSize(1.0f, bounds_.size());
   [view setCompositor:compositor_.get()];
   [window_ setContentView:view];
   [window_ orderFront:nil];