Update bool WindowManager::OnWmSetBounds() to match with its desirable behavior.

services/ui/public/cpp/window_tree_client.cc

Index: services/ui/public/cpp/window_tree_client.cc
diff --git a/services/ui/public/cpp/window_tree_client.cc b/services/ui/public/cpp/window_tree_client.cc
index d708659579205421d5a12514b49c8d8151ff75d5..22f6e9a087f77346ef2bfa23ec24f88601c212fd 100644
--- a/services/ui/public/cpp/window_tree_client.cc
+++ b/services/ui/public/cpp/window_tree_client.cc
@@ -1316,22 +1316,17 @@ void WindowTreeClient::WmSetBounds(uint32_t change_id,
                                        Id window_id,
                                        const gfx::Rect& transit_bounds) {
   Window* window = GetWindowByServerId(window_id);
-  bool result = false;
   if (window) {
     DCHECK(window_manager_delegate_);
     gfx::Rect transit_bounds_in_dip = gfx::ConvertRectToDIP(
         ScaleFactorForDisplay(window->display_id()), transit_bounds);
-    gfx::Rect bounds = transit_bounds_in_dip;
-    result = window_manager_delegate_->OnWmSetBounds(window, &bounds);
-    if (result) {
-      // If the resulting bounds differ return false. Returning false ensures
-      // the client applies the bounds we set below.
-      result = bounds == transit_bounds_in_dip;
-      window->SetBounds(bounds);
-    }
+    window_manager_delegate_->OnWmSetBounds(window, transit_bounds_in_dip);
   }
+
+  // Returning false ensures the client applies the bounds we set above in the

[mfomitchev, 2016/12/08 20:44:23]

"the bounds which the |window_manager_delegate_| sets."

+  // delegate.
   if (window_manager_internal_client_)
-    window_manager_internal_client_->WmResponse(change_id, result);
+    window_manager_internal_client_->WmResponse(change_id, false);
 }
 
 void WindowTreeClient::WmSetProperty(