Do not adjust subpixel if the window's position is controlled by client.

ash/wm/window_state.cc

Index: ash/wm/window_state.cc
diff --git a/ash/wm/window_state.cc b/ash/wm/window_state.cc
index c3f33ef717cb907f19cad482dcc3b04adc930afc..ad1af91c427efe668de342abc1ab56ac1bb8d10e 100644
--- a/ash/wm/window_state.cc
+++ b/ash/wm/window_state.cc
@@ -452,7 +452,8 @@ void WindowState::SetBoundsDirect(const gfx::Rect& bounds) {
         std::max(min_size.height(), actual_new_bounds.height()));
   }
   BoundsSetter().SetBounds(window_, actual_new_bounds);
-  wm::SnapWindowToPixelBoundary(window_);
+  if (!allow_set_bounds_direct())
+    wm::SnapWindowToPixelBoundary(window_);
 }
 
 void WindowState::SetBoundsConstrained(const gfx::Rect& bounds) {