Bug 1653000 - Declare WindowGlobalInit and SyncedContextInitializer uncomparable and remove unused equality operators. r=nika

Differential Revision: https://phabricator.services.mozilla.com/D84299

docshell/base/BrowsingContext.h

@@ -610,16 +610,6 @@ class BrowsingContext : public nsILoadContext, public nsWrapperCache {
     uint64_t mRequestContextId = 0;
 
     FieldTuple mFields;
-
-    bool operator==(const IPCInitializer& aOther) const {
-      return mId == aOther.mId && mParentId == aOther.mParentId &&
-             mWindowless == aOther.mWindowless &&
-             mUseRemoteTabs == aOther.mUseRemoteTabs &&
-             mUseRemoteSubframes == aOther.mUseRemoteSubframes &&
-             mOriginAttributes == aOther.mOriginAttributes &&
-             mRequestContextId == aOther.mRequestContextId &&
-             mFields == aOther.mFields;
-    }
   };
 
   // Create an IPCInitializer object for this BrowsingContext.

docshell/base/WindowContext.h

@@ -99,13 +99,6 @@ class WindowContext : public nsISupports, public nsWrapperCache {
     uint64_t mBrowsingContextId;
 
     FieldTuple mFields;
-
-    bool operator==(const IPCInitializer& aOther) const {
-      return mInnerWindowId == aOther.mInnerWindowId &&
-             mOuterWindowId == aOther.mOuterWindowId &&
-             mBrowsingContextId == aOther.mBrowsingContextId &&
-             mFields == aOther.mFields;
-    }
   };
   IPCInitializer GetIPCInitializer();
 

dom/ipc/PContent.ipdl

@@ -374,7 +374,7 @@ struct KeyValuePair
     nsString value;
 };
 
-union SyncedContextInitializer
+uncomparable union SyncedContextInitializer
 {
     BrowsingContextInitializer;
     WindowContextInitializer;

dom/ipc/WindowGlobalTypes.ipdlh

@@ -15,7 +15,7 @@ using refcounted class nsITransportSecurityInfo from "nsITransportSecurityInfo.h
 namespace mozilla {
 namespace dom {
 
-struct WindowGlobalInit
+uncomparable struct WindowGlobalInit
 {
   // Fields which are synchronized to other processes are found here.
   WindowContextInitializer context;