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

ui/aura/mus/window_tree_client.cc

Index: ui/aura/mus/window_tree_client.cc
diff --git a/ui/aura/mus/window_tree_client.cc b/ui/aura/mus/window_tree_client.cc
index 9dfb2bb38bc873add46b9cf6463304f2edebc316..f52f42711d20db377eb9e4120c087b8e9534a9ee 100644
--- a/ui/aura/mus/window_tree_client.cc
+++ b/ui/aura/mus/window_tree_client.cc
@@ -1312,14 +1312,11 @@ void WindowTreeClient::WmSetBounds(uint32_t change_id,
     DCHECK(window_manager_delegate_);
     gfx::Rect bounds = transit_bounds;
     // TODO: this needs to trigger scheduling a bounds change on |window|.
-    result =
-        window_manager_delegate_->OnWmSetBounds(window->GetWindow(), &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;
-      window->SetBoundsFromServer(bounds);
-    }
+    window_manager_delegate_->OnWmSetBounds(window->GetWindow(), &bounds);
+    // If the resulting bounds differ return false. Returning false ensures
+    // the client applies the bounds we set below.
+    window->SetBoundsFromServer(bounds);
+    result = true;
   }
   if (window_manager_internal_client_)
     window_manager_internal_client_->WmResponse(change_id, result);