message: let the tinter handle 'white' highlights of SVGs too
diff: @@ -42,6 +42,7 @@ var keyHex = [
  "#76CFA6", // Vector Green
  "#EAF5F0", // Vector Light Green
  "#D3EFE1", // BottomLeftMenu overlay (20% Vector Green overlaid on Vector Light Green)
  + "#FFFFFF", // white highlights of the SVGs (for switching to dark theme)
  ];
  // cache of our replacement colours
  @@ -50,6 +51,7 @@ var colors = [
  keyHex[0],
  keyHex[1],
  keyHex[2],
  + keyHex[3],
  ];
  var cssFixups = [
  @@ -172,7 +174,7 @@ module.exports = {
  tintables.push(tintable);
  },
  - tint: function(primaryColor, secondaryColor, tertiaryColor) {
  + tint: function(primaryColor, secondaryColor, tertiaryColor, whiteColor) {
  if (!cached) {
  calcCssFixups();
  @@ -203,14 +205,19 @@ module.exports = {
  tertiaryColor = rgbToHex(rgb1);
  }
  + if (!whiteColor) {
  + whiteColor = colors[3];
  + }
  +
  if (colors[0] === primaryColor &&
  colors[1] === secondaryColor &&
  - colors[2] === tertiaryColor)
  + colors[2] === tertiaryColor &&
  + colors[3] === whiteColor)
  {
  return;
  }
  - colors = [primaryColor, secondaryColor, tertiaryColor];
  + colors = [primaryColor, secondaryColor, tertiaryColor, whiteColor];
  if (DEBUG) console.log("Tinter.tint");
  