fixing code that relied on implicit string construction

xpfe/appshell/src/nsFileLocations.cpp

@@ -372,7 +372,7 @@ static void GetProfileDefaultsFolder(nsFileSpec& outSpec)
     if (NS_SUCCEEDED(rv)) {
         nsFileSpec tmpdir; 
         tmpdir = cwd;
-        tmpdir += (const PRUnichar*) lc_name;
+        tmpdir += nsAutoString(NS_STATIC_CAST(const PRUnichar*, lc_name));
 
         if (tmpdir.Exists())
             cwd = tmpdir;

xpfe/appshell/src/nsWindowMediator.cpp

@@ -139,7 +139,7 @@ void GetAttribute( nsIXULWindow* inWindow, const nsAutoString& inAttribute, nsAu
 	  {
 	  	nsCOMPtr<nsIDOMElement> webshellElement( do_QueryInterface(node));
   		if ( webshellElement.get() )
-  			webshellElement->GetAttribute(inAttribute.GetUnicode(), outValue );
+  			webshellElement->GetAttribute(inAttribute, outValue );
   	  }
   }
 }

xpfe/appshell/src/nsXULWindow.cpp

@@ -915,7 +915,7 @@ NS_IMETHODIMP nsXULWindow::ContentShellAdded(nsIDocShellTreeItem* aContentShell,
   }
 
   if (!shellInfo) {
-    shellInfo = new nsContentShellInfo(aID, aPrimary, aContentShell);
+    shellInfo = new nsContentShellInfo(nsAutoString(aID), aPrimary, aContentShell);
     mContentShells.AppendElement((void*)shellInfo);
   }