Remove WmWindowProperty

ash/common/wm_window.h

Index: ash/common/wm_window.h
diff --git a/ash/common/wm_window.h b/ash/common/wm_window.h
index 078dd0172720da33d1f678d4050b2f76a82817b5..4b08cb36242f7cdeb6769a66d45ed502788db94f 100644
--- a/ash/common/wm_window.h
+++ b/ash/common/wm_window.h
@@ -25,7 +25,6 @@ class Display;
 }
 
 namespace gfx {
-class ImageSkia;
 class Point;
 class Rect;
 class Size;
@@ -168,18 +167,6 @@ class ASH_EXPORT WmWindow : public aura::WindowObserver,
 
   bool IsSystemModal() const;
 
-  bool GetBoolProperty(WmWindowProperty key);
-  void SetBoolProperty(WmWindowProperty key, bool value);
-  SkColor GetColorProperty(WmWindowProperty key);
-  void SetColorProperty(WmWindowProperty key, SkColor value);
-  int GetIntProperty(WmWindowProperty key);
-  void SetIntProperty(WmWindowProperty key, int value);
-  std::string GetStringProperty(WmWindowProperty key);
-  void SetStringProperty(WmWindowProperty key, const std::string& value);
-
-  gfx::ImageSkia GetWindowIcon();
-  gfx::ImageSkia GetAppIcon();
-
   wm::WindowState* GetWindowState() {
     return const_cast<wm::WindowState*>(
         const_cast<const WmWindow*>(this)->GetWindowState());