Make packaged apps use AppNonClientFrameViewAsh when maximized

ash/ash_switches.h

Index: ash/ash_switches.h
diff --git a/ash/ash_switches.h b/ash/ash_switches.h
index 339226db83e5de662b5c0819c9d3bad859c471a0..d12a3d011488089b58917917a52f4cb6cf933414 100644
--- a/ash/ash_switches.h
+++ b/ash/ash_switches.h
@@ -67,6 +67,7 @@ ASH_EXPORT extern const char kAshSecondaryDisplayLayout[];
 ASH_EXPORT extern const char kAshTouchHud[];
 ASH_EXPORT extern const char kAshUseAlternateShelfLayout[];
 ASH_EXPORT extern const char kAshUseFirstDisplayAsInternal[];
+ASH_EXPORT extern const char kAshUseSameFrameForV1AndV2Apps[];
 ASH_EXPORT extern const char kAuraLegacyPowerButton[];
 #if defined(OS_WIN)
 ASH_EXPORT extern const char kForceAshToDesktop[];
@@ -86,6 +87,10 @@ ASH_EXPORT bool UseAlternateShelfLayout();
 // Returns true if items can be dragged off the shelf to unpin.
 ASH_EXPORT bool UseDragOffShelf();
 
+// Returns true if the same window frame should be used for hosted and packaged
+// apps.
+ASH_EXPORT bool UseSameFrameForV1AndV2Apps();
+
 // Returns true if side shelf alignment is enabled.
 ASH_EXPORT bool ShowShelfAlignmentMenu();