Notifications API support for images with multiple scale factors.

chrome/renderer/resources/extensions/notifications_custom_bindings.gtestjs

Index: chrome/renderer/resources/extensions/notifications_custom_bindings.gtestjs
diff --git a/chrome/renderer/resources/extensions/notifications_custom_bindings.gtestjs b/chrome/renderer/resources/extensions/notifications_custom_bindings.gtestjs
index af1e89f4e1a262a914af7557bd8902884b758c6c..d5f22890aa873ccf43e8f893c6c7e8e9e7e0dbfd 100644
--- a/chrome/renderer/resources/extensions/notifications_custom_bindings.gtestjs
+++ b/chrome/renderer/resources/extensions/notifications_custom_bindings.gtestjs
@@ -26,7 +26,7 @@ TEST_F('NotificationsCustomBindingsTest', 'TestImageDataSetter', function () {
   var k = "key";
   var callback = imageDataSetter(c, k);
   callback('val');
-  expectTrue(c[k] === 'val');
+  expectTrue(c.src === 'val');
 });
 
 TEST_F('NotificationsCustomBindingsTest', 'TestGetUrlSpecs', function () {
@@ -39,15 +39,14 @@ TEST_F('NotificationsCustomBindingsTest', 'TestGetUrlSpecs', function () {
 
   var notificationDetails = {};
 
-  var emptySpecs = getUrlSpecs(imageSizes, notificationDetails);
-  expectTrue(emptySpecs.length === 0);
-
   notificationDetails.iconUrl = "iconUrl";
   notificationDetails.imageUrl = "imageUrl";
   notificationDetails.buttons = [
     {iconUrl: "buttonOneIconUrl"},
     {iconUrl: "buttonTwoIconUrl"}];
 
+  notificationDetails =
+      translateBitmapUrls("", notificationDetails, undefined)[1];
   var allSpecs = getUrlSpecs(imageSizes, notificationDetails);
   expectTrue(allSpecs.length === 4);
 
@@ -65,12 +64,14 @@ TEST_F('NotificationsCustomBindingsTest', 'TestGetUrlSpecs', function () {
     spec.callback(spec.path + "|" + spec.width + "|" + spec.height);
   }
 
-  expectTrue(notificationDetails.iconBitmap === "iconUrl|10|10");
-  expectTrue(notificationDetails.imageBitmap === "imageUrl|24|32");
+  expectTrue(notificationDetails.iconReps[0].src === "iconUrl|10|10");
+  expectTrue(notificationDetails.imageReps[0].src === "imageUrl|24|32");
   expectTrue(
-      notificationDetails.buttons[0].iconBitmap === "buttonOneIconUrl|2|2");
+      notificationDetails.buttons[0].iconReps[0].src ===
+      "buttonOneIconUrl|2|2");
   expectTrue(
-      notificationDetails.buttons[1].iconBitmap === "buttonTwoIconUrl|2|2");
+      notificationDetails.buttons[1].iconReps[0].src ===
+      "buttonTwoIconUrl|2|2");
 });
 
 TEST_F('NotificationsCustomBindingsTest', 'TestGetUrlSpecsScaled', function () {
@@ -88,6 +89,8 @@ TEST_F('NotificationsCustomBindingsTest', 'TestGetUrlSpecsScaled', function () {
       {iconUrl: "buttonTwoIconUrl"}
     ]
   };
+  notificationDetails =
+      translateBitmapUrls("", notificationDetails, undefined)[1];
 
   var allSpecs = getUrlSpecs(imageSizes, notificationDetails);
   for (var i = 0; i < allSpecs.length; i++) {
@@ -95,10 +98,10 @@ TEST_F('NotificationsCustomBindingsTest', 'TestGetUrlSpecsScaled', function () {
     spec.callback(spec.path + "|" + spec.width + "|" + spec.height);
   }
 
-  expectEquals(notificationDetails.iconBitmap, "iconUrl|20|20");
-  expectEquals(notificationDetails.imageBitmap, "imageUrl|48|64");
-  expectEquals(notificationDetails.buttons[0].iconBitmap,
+  expectEquals(notificationDetails.iconReps[0].src, "iconUrl|20|20");
+  expectEquals(notificationDetails.imageReps[0].src, "imageUrl|48|64");
+  expectEquals(notificationDetails.buttons[0].iconReps[0].src,
                "buttonOneIconUrl|4|4");
-  expectEquals(notificationDetails.buttons[1].iconBitmap,
+  expectEquals(notificationDetails.buttons[1].iconReps[0].src,
                "buttonTwoIconUrl|4|4");
 });