feat: support `mouse-move` event of Tray API on Windows (#19265)

* add Tray.mouse-move on win

* change docs

docs/api/tray.md

@@ -161,7 +161,7 @@ Returns:
 
 Emitted when the mouse exits the tray icon.
 
-#### Event: 'mouse-move' _macOS_
+#### Event: 'mouse-move' _macOS_ _Windows_
 
 Returns:
 

shell/browser/ui/win/notify_icon.cc

@@ -65,6 +65,13 @@ void NotifyIcon::HandleClickEvent(int modifiers,
   }
 }
 
+void NotifyIcon::HandleMouseMoveEvent(int modifiers) {
+  gfx::Point cursorPos = display::Screen::GetScreen()->GetCursorScreenPoint();
+  // Omit event fired when tray icon is created but cursor is outside of it.
+  if (GetBounds().Contains(cursorPos))
+    NotifyMouseMoved(cursorPos, modifiers);
+}
+
 void NotifyIcon::ResetIcon() {
   NOTIFYICONDATA icon_data;
   InitIconData(&icon_data);

shell/browser/ui/win/notify_icon.h

@@ -44,6 +44,9 @@ class NotifyIcon : public TrayIcon {
                         bool left_button_click,
                         bool double_button_click);
 
+  // Handles a mouse move event from the user.
+  void HandleMouseMoveEvent(int modifiers);
+
   // Re-creates the status tray icon now after the taskbar has been created.
   void ResetIcon();
 

shell/browser/ui/win/notify_icon_host.cc

@@ -170,6 +170,10 @@ LRESULT CALLBACK NotifyIconHost::WndProc(HWND hwnd,
             (lparam == WM_LBUTTONDOWN || lparam == WM_LBUTTONDBLCLK),
             (lparam == WM_LBUTTONDBLCLK || lparam == WM_RBUTTONDBLCLK));
         return TRUE;
+
+      case WM_MOUSEMOVE:
+        win_icon->HandleMouseMoveEvent(GetKeyboardModifers());
+        return TRUE;
     }
   }
   return ::DefWindowProc(hwnd, message, wparam, lparam);