Partial fix for keyboard occlusion.

ash/wm/panels/panel_layout_manager.cc

Index: ash/wm/panels/panel_layout_manager.cc
diff --git a/ash/wm/panels/panel_layout_manager.cc b/ash/wm/panels/panel_layout_manager.cc
index 39350ac7e2b601b699a3c3febd54ac1423a4bd1e..d28b77ccb3e2ab854d0747a421597e19eee462d8 100644
--- a/ash/wm/panels/panel_layout_manager.cc
+++ b/ash/wm/panels/panel_layout_manager.cc
@@ -818,5 +818,15 @@ void PanelLayoutManager::UpdateCallouts() {
   }
 }
 
+////////////////////////////////////////////////////////////////////////////////
+// keyboard::KeyboardControllerObserver implementation:
+
+void PanelLayoutManager::OnKeyboardBoundsChanging(
+    const gfx::Rect& keyboard_bounds) {
+  // This bounds change will have caused a change to the Shelf which does not
+  // propogate automatically to this class, so manually recalculate bounds.
+  OnWindowResized();
+}
+
 }  // namespace internal
 }  // namespace ash