CSSPaint: Move layout tests in csspaint/ to http/tests/csspaint/

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

 // 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) {
@@ skipping 23 matching lines @@
                     });
                 });
             });
         }, Promise.resolve()).then(function() {
             if (window.testRunner) {
                 testRunner.notifyDone();
             }
         });
     });
 }