Fix the full screen switching browser window dipping below launcher bar issue.

ash/wm/base_layout_manager.cc

Index: ash/wm/base_layout_manager.cc
diff --git a/ash/wm/base_layout_manager.cc b/ash/wm/base_layout_manager.cc
index e8a5014feaa51e42e9cf13a3552d83d27d20f4d1..11b24b89bf36ab27e93a86cf12a752cb670ae27d 100644
--- a/ash/wm/base_layout_manager.cc
+++ b/ash/wm/base_layout_manager.cc
@@ -67,10 +67,19 @@ void BaseLayoutManager::SetChildBounds(aura::Window* child,
 // BaseLayoutManager, RootWindowObserver overrides:
 
 void BaseLayoutManager::OnRootWindowResized(const gfx::Size& new_size) {
+  AdjustWindowSizesForScreenChange();
+}
+
+void BaseLayoutManager::OnScreenWorkAreaInsetsChanged() {
+  AdjustWindowSizesForScreenChange();
+}
+
+void BaseLayoutManager::AdjustWindowSizesForScreenChange() {

[sky, 2012/03/01 01:43:19]

Order should match that of header.

[jennyz, 2012/03/01 18:27:45]

Done.

   // If a user plugs an external monitor into a laptop running Aura the
   // monitor size will change.  Maximized windows need to resize to match.
   // We also do this when developers running Aura on a desktop manually resize
   // the host window.
+  // We also need to do this when the work area insets changes.
   for (WindowSet::const_iterator it = windows_.begin();
        it != windows_.end();
        ++it) {