Add WindowPinType property on arua::Window

chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc

Index: chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc
diff --git a/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc b/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc
index e3a1f4b8a24225a30cde42b716f26911f2bea5ef..e800489d607ff634ab496dbd374ae8ba054758e9 100644
--- a/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc
+++ b/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc
@@ -6,6 +6,7 @@
 
 #include "ash/public/cpp/mus_property_mirror_ash.h"
 #include "ash/public/cpp/window_properties.h"
+#include "ash/public/interfaces/window_pin_type.mojom.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "base/memory/ptr_util.h"
@@ -54,6 +55,9 @@ void ChromeBrowserMainExtraPartsAsh::ServiceManagerConnectionStarted(
         ash::kShelfItemTypeKey,
         ui::mojom::WindowManager::kShelfItemType_Property,
         base::Bind(&ash::IsValidShelfItemType));
+    converter->RegisterProperty(
+        ash::kWindowPinTypeKey, ash::mojom::kWindowPinType_Property,
+        aura::PropertyConverter::CreateAcceptAnyValueCallback());

[sky, 2017/04/04 17:04:57]

How come you don't need to validate the property? Don't we end sending over the
wire as int64_t?

[Peng, 2017/04/04 17:38:00]

I thought mojo ipc will verify the ash::mojom::WindowPinType. I understand it
now. All properties are serialized and deserialized as an int64. Changed it
back. 

Done

 
     mus_client->SetMusPropertyMirror(
         base::MakeUnique<ash::MusPropertyMirrorAsh>());