Bug 1138094 - Do not use non-standard flag argument of String.prototype.replace in im/. r=florian

im/content/aboutPanel.xml

@@ -32,7 +32,7 @@
         <![CDATA[
           let browser = this.browser;
           this.tab.setAttribute("label",
-            browser.contentTitle.replace("\0", "", "g") || browser.currentURI.spec);
+            browser.contentTitle.replace(/\0/g, "") || browser.currentURI.spec);
           if (browser.currentURI.spec == "about:addons") {
             // Set the tab type to "addons" so that CSS will set its favicon.
             this.tab.setAttribute("type", "addons");

im/themes/messages/dark/Footer.html

@@ -23,7 +23,7 @@ function setColors(target)
   var senderHue = parsed[1];
 
   target.style.borderTop = p_border_top.replace("#", senderHue);
-  target.style.background = p_background.replace("#", senderHue, "g");
+  target.style.background = p_background.replace(/#/g, senderHue);
 }
 
 function checkNewText(target)
@@ -35,7 +35,7 @@ function checkNewText(target)
   for (var i = 0; i < nicks.length; ++i) {
     var nick = nicks[i];
     if (!nick.hasAttribute("left"))
-      nick.style.background = nick_background.replace("#", nick.getAttribute("nickColor"), "g");
+      nick.style.background = nick_background.replace(/#/g, nick.getAttribute("nickColor"));
   }
 }
 

im/themes/messages/papersheets/Footer.html

@@ -22,9 +22,9 @@ function setColors(target)
     if (parsed) {
       var senderHue = parsed[1];
       if (target.classList.contains("context"))
-        target.setAttribute("style", bg_context_gradient.replace("#", senderHue, "g"));
+        target.setAttribute("style", bg_context_gradient.replace(/#/g, senderHue));
       else
-        target.setAttribute("style", bg_gradient.replace("#", senderHue, "g"));
+        target.setAttribute("style", bg_gradient.replace(/#/g, senderHue));
     }
   }