Hook up CSSPaintValue::image to CSS Paint API callback.

third_party/WebKit/LayoutTests/csspaint/resources/test-runner-geometry-logging.js

Index: third_party/WebKit/LayoutTests/csspaint/resources/test-runner-geometry-logging.js
diff --git a/third_party/WebKit/LayoutTests/csspaint/resources/test-runner-geometry-logging.js b/third_party/WebKit/LayoutTests/csspaint/resources/test-runner-geometry-logging.js
new file mode 100644
index 0000000000000000000000000000000000000000..53937e8acc5701cd9d8f3e052e76cfe832b03468
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/csspaint/resources/test-runner-geometry-logging.js
@@ -0,0 +1,43 @@
+// Test runner for the paint worklet.
+//
+// Calls a given function with a newly created element, and prints the expected
+// geometry to the console.
+//
+// Runs each test sequentially after a layout and a paint.
+//
+// Usage:
+// testRunnerGeometryLogging([{
+//      func: function(el) {
+//          el.style.width = '100px';
+//          el.style.height = '100px';
+//      },
+//      expected: {width: 100, height: 100},
+// ]);
+
+function testRunnerGeometryLogging(tests, workletCode) {
+    if (window.testRunner) {
+        testRunner.waitUntilDone();
+        testRunner.dumpAsText();
+    }
+
+    paintWorklet.import('resources/paint-logging-green.js').then(function() {
+        tests.reduce(function(chain, obj) {
+            return chain.then(function() {
+                console.log('The worklet should log: \'width: ' + obj.expected.width + ', height: ' + obj.expected.height + '\'');
+                var el = document.createElement('div');
+                document.body.appendChild(el);
+                obj.func(el);
+                return new Promise(function(resolve) {
+                    runAfterLayoutAndPaint(function() {
+                        document.body.removeChild(el);
+                        resolve();
+                    });
+                });
+            });
+        }, Promise.resolve()).then(function() {
+            if (window.testRunner) {
+                testRunner.notifyDone();
+            }
+        });
+    });
+}