Allow javascript change the virtual keyboard window size and position freely in FLOATING mode

ash/wm/virtual_keyboard_container_layout_manager.cc

Index: ash/wm/virtual_keyboard_container_layout_manager.cc
diff --git a/ash/wm/virtual_keyboard_container_layout_manager.cc b/ash/wm/virtual_keyboard_container_layout_manager.cc
index aae3ec8fbf86e689877058a1b5848fbfd6ef2e52..0d74f48bb3ac0e1350b82f2525f246244d556a5a 100644
--- a/ash/wm/virtual_keyboard_container_layout_manager.cc
+++ b/ash/wm/virtual_keyboard_container_layout_manager.cc
@@ -31,14 +31,8 @@ void VirtualKeyboardContainerLayoutManager::OnWindowResized() {
   if (!keyboard_controller)
     return;
 
-  // The layout manager for the root window propagates a resize to its
-  // immediate children and grandchildren, but stops there. The keyboard
-  // container is three levels deep, and therefore needs to be explicitly
-  // updated when its parent is resized.
-  aura::Window* keyboard_container =
-      keyboard_controller->GetContainerWindow();
-  if (keyboard_container)
-    keyboard_container->SetBounds(parent_container_->bounds());
+  if (keyboard_controller->keyboard_container_initialized())
+    keyboard_controller->OnRootWindowResized(parent_container_->bounds());
 }
 
 }  // namespace ash