Added restore functionality for maximize full/left/right

ash/wm/window_util.cc

Index: ash/wm/window_util.cc
diff --git a/ash/wm/window_util.cc b/ash/wm/window_util.cc
index b3a8b3648440aacbae9e39145f5d1af08931c537..1243c4eeba2a1f91608affbbf243b96aa3249625 100644
--- a/ash/wm/window_util.cc
+++ b/ash/wm/window_util.cc
@@ -132,5 +132,22 @@ void DeepDeleteLayers(ui::Layer* layer) {
   delete layer;
 }
 
+void ToggleMaximizedState(aura::Window* window) {
+  if (GetRestoreBoundsInScreen(window)) {
+    if (IsWindowNormal(window)) {
+      // The only way this can happen is that we are in left/right maximized
+      // state and need to really maximize.
+      gfx::Rect restore_bounds = *GetRestoreBoundsInScreen(window);
+      window->SetProperty(aura::client::kShowStateKey,

[sky, 2012/08/28 20:46:36]

Don't maximize here, just set the bounds.

[Mr4D (OOO till 08-26), 2012/08/28 22:40:02]

No - that would not work. The left/right snapped mode is already active, and we
*want* to go into the maximized mode. Unless you want me to change the behavior
from maximized into restore. (which was our discussion). Please let me know!

+                          ui::SHOW_STATE_MAXIMIZED);
+      SetRestoreBoundsInScreen(window, restore_bounds);
+    } else {
+      window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
+    }
+  } else {
+    window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
+  }
+}
+
 }  // namespace wm
 }  // namespace ash