Drop SVGGraphicsElement.getTransformToElement

third_party/WebKit/LayoutTests/svg/animations/resources/SVGAnimationTestCase.js

 // Inspired by Layoutests/animations/animation-test-helpers.js
 
 function isCloseEnough(actual, desired, tolerance) {
     var diff = Math.abs(actual - desired);
     return diff <= tolerance;
 }
 
 function shouldBeCloseEnough(_a, _b, tolerance) {
     if (typeof tolerance != "number")
       tolerance = 0.1 // Default
@@ skipping 25 matching lines @@
     shouldBeCloseEnough(actualMatrix + ".d", expectedD, tolerance);
     shouldBeCloseEnough(actualMatrix + ".e", expectedE, tolerance);
     shouldBeCloseEnough(actualMatrix + ".f", expectedF, tolerance);
 }
 
 function expectTranslationMatrix(actualMatrix, expectedE, expectedF, tolerance) {
     shouldBeCloseEnough(actualMatrix + ".e", expectedE, tolerance);
     shouldBeCloseEnough(actualMatrix + ".f", expectedF, tolerance);
 }
 
+function getTransformToElement(rootElement, element) {
+    return element.getCTM().inverse().multiply(rootElement.getCTM());
+}
+
 function expectColor(element, red, green, blue, property) {
     if (typeof property != "string")
         color = getComputedStyle(element).getPropertyValue("color");
     else
         color = getComputedStyle(element).getPropertyValue(property);
 
     var re = new RegExp("rgba?\\(([^, ]*), ([^, ]*), ([^, ]*)(?:, )?([^, ]*)\\)");
     colorComponents = re.exec(color);
 
     // Allow a tolerance of 1 for color values, as they are integers.
@@ skipping 80 matching lines @@
     if (expectedResults[0][1] == 0) {
         expectedResults[0][2]();
         ++currentTest;
     }
 
     if (window.testRunner)
         setTimeout(sampleAnimation, 0);
     else
         setTimeout(sampleAnimation, 50);
 }