diff --git a/atom/browser/api/atom_api_window.cc b/atom/browser/api/atom_api_window.cc
index 573d0215d234..4cf2fee82f71 100644
--- a/atom/browser/api/atom_api_window.cc
+++ b/atom/browser/api/atom_api_window.cc
@@ -263,6 +263,14 @@ void Window::OnWindowSwipe(const std::string& direction) {
   Emit("swipe", direction);
 }
 
+void Window::OnWindowSheetBegin() {
+  Emit("sheet-begin");
+}
+
+void Window::OnWindowSheetEnd() {
+  Emit("sheet-end");
+}
+
 void Window::OnWindowEnterHtmlFullScreen() {
   Emit("enter-html-full-screen");
 }
@@ -298,16 +306,6 @@ void Window::OnWindowMessage(UINT message, WPARAM w_param, LPARAM l_param) {
 }
 #endif
 
-#if defined(OS_MACOSX)
-void Window::OnWindowSheetBegin() {
-  Emit("sheet-begin");
-}
-
-void Window::OnWindowSheetEnd() {
-  Emit("sheet-end");
-}
-#endif
-
 // static
 mate::WrappableBase* Window::New(mate::Arguments* args) {
   if (!Browser::Get()->is_ready()) {
diff --git a/atom/browser/api/atom_api_window.h b/atom/browser/api/atom_api_window.h
index 79e757833ec8..1388b63de75a 100644
--- a/atom/browser/api/atom_api_window.h
+++ b/atom/browser/api/atom_api_window.h
@@ -79,6 +79,8 @@ class Window : public mate::TrackableObject<Window>,
   void OnWindowScrollTouchEnd() override;
   void OnWindowScrollTouchEdge() override;
   void OnWindowSwipe(const std::string& direction) override;
+  void OnWindowSheetBegin() override;
+  void OnWindowSheetEnd() override;
   void OnWindowEnterFullScreen() override;
   void OnWindowLeaveFullScreen() override;
   void OnWindowEnterHtmlFullScreen() override;
@@ -93,11 +95,6 @@ class Window : public mate::TrackableObject<Window>,
   void OnWindowMessage(UINT message, WPARAM w_param, LPARAM l_param) override;
   #endif
 
-  #if defined(OS_MACOSX)
-  void OnWindowSheetBegin() override;
-  void OnWindowSheetEnd() override;
-  #endif
-
  private:
   void Init(v8::Isolate* isolate,
             v8::Local<v8::Object> wrapper,
diff --git a/atom/browser/native_window.cc b/atom/browser/native_window.cc
index eec00996debe..93bfc76c51e4 100644
--- a/atom/browser/native_window.cc
+++ b/atom/browser/native_window.cc
@@ -554,6 +554,16 @@ void NativeWindow::NotifyWindowSwipe(const std::string& direction) {
     observer.OnWindowSwipe(direction);
 }
 
+void NativeWindow::NotifyWindowSheetBegin() {
+  for (NativeWindowObserver& observer : observers_)
+    observer.OnWindowSheetBegin();
+}
+
+void NativeWindow::NotifyWindowSheetEnd() {
+  for (NativeWindowObserver& observer : observers_)
+    observer.OnWindowSheetEnd();
+}
+
 void NativeWindow::NotifyWindowLeaveFullScreen() {
   for (NativeWindowObserver& observer : observers_)
     observer.OnWindowLeaveFullScreen();
@@ -590,18 +600,6 @@ void NativeWindow::NotifyWindowMessage(
 }
 #endif
 
-#if defined(OS_MACOSX)
-void NativeWindow::NotifyWindowSheetBegin() {
-  for (NativeWindowObserver& observer : observers_)
-    observer.OnWindowSheetBegin();
-}
-
-void NativeWindow::NotifyWindowSheetEnd() {
-  for (NativeWindowObserver& observer : observers_)
-    observer.OnWindowSheetEnd();
-}
-#endif
-
 std::unique_ptr<SkRegion> NativeWindow::DraggableRegionsToSkRegion(
     const std::vector<DraggableRegion>& regions) {
   std::unique_ptr<SkRegion> sk_region(new SkRegion);
diff --git a/atom/browser/native_window.h b/atom/browser/native_window.h
index 83ac0e521fc4..48b56e8b47ea 100644
--- a/atom/browser/native_window.h
+++ b/atom/browser/native_window.h
@@ -233,6 +233,8 @@ class NativeWindow : public base::SupportsUserData,
   void NotifyWindowScrollTouchEnd();
   void NotifyWindowScrollTouchEdge();
   void NotifyWindowSwipe(const std::string& direction);
+  void NotifyWindowSheetBegin();
+  void NotifyWindowSheetEnd();
   void NotifyWindowEnterFullScreen();
   void NotifyWindowLeaveFullScreen();
   void NotifyWindowEnterHtmlFullScreen();
@@ -245,11 +247,6 @@ class NativeWindow : public base::SupportsUserData,
   void NotifyWindowMessage(UINT message, WPARAM w_param, LPARAM l_param);
   #endif
 
-  #if defined(OS_MACOSX)
-  void NotifyWindowSheetBegin();
-  void NotifyWindowSheetEnd();
-  #endif
-
   void AddObserver(NativeWindowObserver* obs) {
     observers_.AddObserver(obs);
   }
diff --git a/atom/browser/native_window_observer.h b/atom/browser/native_window_observer.h
index 3235976e247a..191f1bcab492 100644
--- a/atom/browser/native_window_observer.h
+++ b/atom/browser/native_window_observer.h
@@ -67,6 +67,8 @@ class NativeWindowObserver {
   virtual void OnWindowScrollTouchEnd() {}
   virtual void OnWindowScrollTouchEdge() {}
   virtual void OnWindowSwipe(const std::string& direction) {}
+  virtual void OnWindowSheetBegin() {}
+  virtual void OnWindowSheetEnd() {}
   virtual void OnWindowEnterFullScreen() {}
   virtual void OnWindowLeaveFullScreen() {}
   virtual void OnWindowEnterHtmlFullScreen() {}
@@ -79,11 +81,6 @@ class NativeWindowObserver {
   virtual void OnWindowMessage(UINT message, WPARAM w_param, LPARAM l_param) {}
   #endif
 
-  #if defined(OS_MACOSX)
-  virtual void OnWindowSheetBegin() {}
-  virtual void OnWindowSheetEnd() {}
-  #endif
-
   // Called when renderer is hung.
   virtual void OnRendererUnresponsive() {}