mash: Fix MusPropertyMirrorAsh for owned properties; add test.

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 721243149e751cbf8b319a70e1549792a532c52f..a88f8dbff648fcd633c28900c4895212a5a6e430 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
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 
+#include "ash/mus/mus_property_mirror_ash.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/wm/window_properties.h"
@@ -25,65 +26,11 @@
 #include "chrome/browser/ui/views/frame/immersive_handler_factory_mus.h"
 #include "chrome/browser/ui/views/select_file_dialog_extension.h"
 #include "chrome/browser/ui/views/select_file_dialog_extension_factory.h"
-#include "ui/aura/client/aura_constants.h"
 #include "ui/aura/mus/property_converter.h"
 #include "ui/base/class_property.h"
 #include "ui/keyboard/content/keyboard.h"
 #include "ui/keyboard/keyboard_controller.h"
 #include "ui/views/mus/mus_client.h"
-#include "ui/views/mus/mus_property_mirror.h"
-
-namespace {
-
-void MirrorIcon(aura::Window* window,
-                aura::Window* root_window,
-                const aura::WindowProperty<gfx::ImageSkia*>* key) {
-  gfx::ImageSkia* value = window->GetProperty(key);
-  if (!value || value->isNull())
-    root_window->ClearProperty(key);
-  else
-    root_window->SetProperty(key, new gfx::ImageSkia(*value));
-}
-
-}  // namespace
-
-// Relays aura content window properties to its root window (the mash frame).
-// Ash relies on various window properties for frame titles, shelf items, etc.
-// These properties are read from the client's root, not child content windows.
-class MusPropertyMirrorAsh : public views::MusPropertyMirror {
- public:
-  MusPropertyMirrorAsh() {}
-  ~MusPropertyMirrorAsh() override {}
-
-  // MusPropertyMirror:
-  void MirrorPropertyFromWidgetWindowToRootWindow(aura::Window* window,
-                                                  aura::Window* root_window,
-                                                  const void* key) override {
-    if (key == ash::kShelfIDKey) {
-      int32_t value = window->GetProperty(ash::kShelfIDKey);
-      root_window->SetProperty(ash::kShelfIDKey, value);
-    } else if (key == ash::kShelfItemTypeKey) {
-      int32_t value = window->GetProperty(ash::kShelfItemTypeKey);
-      root_window->SetProperty(ash::kShelfItemTypeKey, value);
-    } else if (key == aura::client::kAppIconKey) {
-      MirrorIcon(window, root_window, aura::client::kAppIconKey);
-    } else if (key == aura::client::kAppIdKey) {
-      std::string* value = window->GetProperty(aura::client::kAppIdKey);
-      root_window->SetProperty(aura::client::kAppIdKey, value);
-    } else if (key == aura::client::kDrawAttentionKey) {
-      bool value = window->GetProperty(aura::client::kDrawAttentionKey);
-      root_window->SetProperty(aura::client::kDrawAttentionKey, value);
-    } else if (key == aura::client::kTitleKey) {
-      base::string16* value = window->GetProperty(aura::client::kTitleKey);
-      root_window->SetProperty(aura::client::kTitleKey, value);
-    } else if (key == aura::client::kWindowIconKey) {
-      MirrorIcon(window, root_window, aura::client::kWindowIconKey);
-    }
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MusPropertyMirrorAsh);
-};
 
 ChromeBrowserMainExtraPartsAsh::ChromeBrowserMainExtraPartsAsh() {}
 
@@ -105,7 +52,8 @@ void ChromeBrowserMainExtraPartsAsh::ServiceManagerConnectionStarted(
         ash::kShelfItemTypeKey,
         ui::mojom::WindowManager::kShelfItemType_Property);
 
-    mus_client->SetMusPropertyMirror(base::MakeUnique<MusPropertyMirrorAsh>());
+    mus_client->SetMusPropertyMirror(
+        base::MakeUnique<ash::MusPropertyMirrorAsh>());
   }
 }