Apply CSP to chrome: and about: pages

chrome/browser/resources/about_memory.js

+function reload() {
+  if (document.getElementById('helpTooltip'))
+    return;
+  history.go(0);
+}
+
+function formatNumber(str) {
+  str += '';
+  if (str == '0') {
+    return 'N/A ';
+  }
+  var x = str.split('.');
+  var x1 = x[0];
+  var x2 = x.length > 1 ? '.' + x[1] : '';
+  var regex = /(\d+)(\d{3})/;
+  while (regex.test(x1)) {
+    x1 = x1.replace(regex, '$1' + ',' + '$2');
+  }
+  return x1;
+}
+
+function addToSum(id, value) {
+  var target = document.getElementById(id);
+  var sum = parseInt(target.innerHTML);
+  sum += parseInt(value);
+  target.innerHTML = sum;
+}
+
+function handleHelpTooltipMouseOver(event) {
+  var el = document.createElement('div');
+  el.id = 'helpTooltip';
+  el.innerHTML = event.toElement.getElementsByTagName('div')[0].innerHTML;
+  el.style.top = 0;
+  el.style.left = 0;
+  el.style.visibility = 'hidden';
+  document.body.appendChild(el);
+
+  var width = el.offsetWidth;
+  var height = el.offsetHeight;
+
+  if (event.pageX - width - 50 + document.body.scrollLeft >= 0 ) {
+    el.style.left = (event.pageX - width - 20) + 'px';
+  } else {
+    el.style.left = (event.pageX + 20) + 'px';
+  }
+
+
+  if (event.pageY - height - 50 + document.body.scrollTop >= 0) {
+    el.style.top = (event.pageY - height - 20) + 'px';
+  } else {
+    el.style.top = (event.pageY + 20) + 'px';
+  }
+
+  el.style.visibility = 'visible';
+}
+
+function handleHelpTooltipMouseOut(event) {
+  var el = document.getElementById('helpTooltip');
+  el.parentNode.removeChild(el);
+}
+
+function enableHelpTooltips() {
+  var helpEls = document.getElementsByClassName('help');
+
+  for (var i = 0, helpEl; helpEl = helpEls[i]; i++) {
+    helpEl.onmouseover = handleHelpTooltipMouseOver;
+    helpEl.onmouseout = handleHelpTooltipMouseOut;
+  }
+}
+
+document.addEventListener('DOMContentLoaded', function () {
+  // This is the javascript code that processes the template:
+  var input = new JsEvalContext(templateData);
+  var output = document.getElementById('t');
+  jstProcess(input, output);
+
+  enableHelpTooltips();
+});
+