Moves a couple of the maximize mode classes to ash/common

ash/aura/wm_window_aura.cc

Index: ash/aura/wm_window_aura.cc
diff --git a/ash/aura/wm_window_aura.cc b/ash/aura/wm_window_aura.cc
index 782b1b63edcca06f9aa08d193d3630b1644517f8..15baf4ce19241256cfb56651e1584afb2d921014 100644
--- a/ash/aura/wm_window_aura.cc
+++ b/ash/aura/wm_window_aura.cc
@@ -450,6 +450,20 @@ void WmWindowAura::SetRestoreShowState(ui::WindowShowState show_state) {
   window_->SetProperty(aura::client::kRestoreShowStateKey, show_state);
 }
 
+void WmWindowAura::SetRestoreOverrides(
+    const gfx::Rect& bounds_override,
+    ui::WindowShowState window_state_override) {
+  if (bounds_override.IsEmpty()) {
+    window_->ClearProperty(ash::kRestoreShowStateOverrideKey);

[James Cook, 2016/06/27 00:19:21]

nit: "ash::" not needed

[sky, 2016/06/27 15:27:26]

Done.

+    window_->ClearProperty(ash::kRestoreBoundsOverrideKey);
+    return;
+  }
+  window_->SetProperty(ash::kRestoreShowStateOverrideKey,
+                       window_state_override);
+  window_->SetProperty(ash::kRestoreBoundsOverrideKey,
+                       new gfx::Rect(bounds_override));
+}
+
 void WmWindowAura::SetLockedToRoot(bool value) {
   window_->SetProperty(kStayInSameRootWindowKey, value);
 }