Bug 1910698 - Add a struct to represent JS caller location and more general warning source location. r=smaug,necko-reviewers,anti-tracking-reviewers,dom-storage-reviewers,pbz,kershaw,janv

Use it liberally across the tree. This could be cleaned up even more in the future.

Differential Revision: https://phabricator.services.mozilla.com/D218114

dom/html/HTMLFormElement.cpp

@@ -232,7 +232,7 @@ void HTMLFormElement::ReportInvalidUnfocusableElements(
       nsContentUtils::ReportToConsole(
           nsIScriptError::errorFlag, "DOM"_ns, element->GetOwnerDocument(),
           nsContentUtils::eDOM_PROPERTIES, messageName.get(), params,
-          element->GetBaseURI());
+          SourceLocation(element->GetBaseURI()));
     }
   }
 }
@@ -1659,7 +1659,7 @@ nsresult HTMLFormElement::GetActionURL(nsIURI** aActionURL,
 
     CSP_LogLocalizedStr(
         "upgradeInsecureRequest", params,
-        u""_ns,  // aSourceFile
+        ""_ns,   // aSourceFile
         u""_ns,  // aScriptSample
         0,       // aLineNumber
         1,       // aColumnNumber