Bug 1702741 - Backed out changeset e73c8437e0ec for test failures. rs=backout DONTBUILD

mail/base/content/minimizeToTray.js

@@ -13,7 +13,7 @@ addEventListener("sizemodechange", () => {
       var bw = docShell.treeOwner.QueryInterface(Ci.nsIBaseWindow);
       Cc["@mozilla.org/messenger/osintegration;1"]
         .getService(Ci.nsIMessengerWindowsIntegration)
-        .hideWindow(bw);
+        .HideWindow(bw);
     });
   }
 });

mail/base/modules/MailUtils.jsm

@@ -320,10 +320,6 @@ var MailUtils = {
     let mail3PaneWindow = Services.wm.getMostRecentWindow("mail:3pane");
     if (mail3PaneWindow) {
       mail3PaneWindow.MsgDisplayMessageInFolderTab(aMsgHdr);
-      Cc["@mozilla.org/messenger/osintegration;1"]
-        ?.getService(Ci.nsIMessengerWindowsIntegration)
-        ?.showWindow(mail3PaneWindow);
-      mail3PaneWindow.focus();
     } else {
       let args = { msgHdr: aMsgHdr };
       args.wrappedJSObject = args;

mailnews/base/public/nsIMessengerWindowsIntegration.idl

@@ -3,14 +3,10 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-interface mozIDOMWindowProxy;
-
 #include "nsIBaseWindow.idl"
 #include "nsIMessengerOSIntegration.idl"
 
 [scriptable, uuid(e14eb9fe-e05e-4b78-bd31-5b7e1497f91b)]
 interface nsIMessengerWindowsIntegration : nsIMessengerOSIntegration {
-  void hideWindow(in nsIBaseWindow aWindow);
-
-  void showWindow(in mozIDOMWindowProxy aWindow);
+  void HideWindow(in nsIBaseWindow aWindow);
 };

mailnews/base/src/nsMessengerWinIntegration.cpp

@@ -185,12 +185,6 @@ nsresult nsMessengerWinIntegration::HideWindow(nsIBaseWindow* aWindow) {
   return NS_OK;
 }
 
-NS_IMETHODIMP
-nsMessengerWinIntegration::ShowWindow(mozIDOMWindowProxy* aWindow) {
-  activateWindow(aWindow);
-  return NS_OK;
-}
-
 NS_IMETHODIMP
 nsMessengerWinIntegration::UpdateUnreadCount(uint32_t unreadCount,
                                              const nsAString& unreadTooltip) {