Remove get/set currentPath in canvas

LayoutTests/fast/canvas/script-tests/canvas-currentPath.js

-description("Test the behavior of currentPath in Canvas");
-var c = document.createElement('canvas');
-document.body.appendChild(c);
-var ctx = c.getContext('2d');
-
-var testStrings = [
-    "ctx.isPointInPath(49,49)",
-    "ctx.isPointInPath(99,99)",
-    "ctx.isPointInPath(149,149)",
-    "ctx.isPointInPath(199,199)",
-    "ctx.isPointInPath(249,249)"
-];
-
-// Test collection of points. Each point has an offset of 50,50 to previous point.
-function testPointCollection(hitResults) {
-    for (var i = 0; i < hitResults.length; i++) {
-        if (hitResults[i])
-            shouldBeTrue(testStrings[i]);
-        else
-            shouldBeFalse(testStrings[i]);
-    }
-}
-
-document.body.appendChild(ctx.canvas);
-
-ctx.fillStyle = '#0f0';
-ctx.beginPath();
-
-debug("Create path object, replace current context path with the path of this object.");
-var p = new Path2D();
-p.rect(0,0,200,200);
-testPointCollection([false, false, false, false, false]);
-
-ctx.currentPath = p;
-
-testPointCollection([true, true, true, true, false]);
-debug("");
-
-debug("Add new segment to context path and check that this is not added to the path object (not live).")
-
-ctx.rect(50,50,200,200);
-testPointCollection([true, true, true, true, true]);
-
-ctx.currentPath = p;
-
-testPointCollection([true, true, true, true, false]);
-debug("");
-
-debug("Test that path object can get applied to transformed context, respecting the CTM.");
-
-ctx.beginPath();
-ctx.translate(100,100);
-ctx.currentPath = p;
-ctx.translate(-100,-100);
-testPointCollection([false, false, true, true, true]);
-
-debug("");
-
-debug("Test that currentPath returns a path object.");
-p = null;
-shouldBeNull("p");
-ctx.beginPath();
-ctx.rect(0,0,200,200);
-p = ctx.currentPath;
-shouldBeType("p", "Path2D");
-debug("");
-
-debug("Create context path and test that it exists.");
-testPointCollection([true, true, true, true, false]);
-debug("");
-
-debug("Clear context path.");
-ctx.beginPath();
-testPointCollection([false, false, false, false, false]);
-debug("");
-
-debug("Apply stored (non-live) path object back to context.");
-ctx.currentPath = p;
-testPointCollection([true, true, true, true, false]);
-debug("");
-
-debug("Transform CTM in the process of adding segments to context path. Check that currentPath's path object archive these transformations.");
-ctx.beginPath();
-ctx.rect(0,0,100,100);
-ctx.translate(150,150);
-ctx.rect(0,0,100,100);
-ctx.translate(-150,-150);
-testPointCollection([true, true, false, true, true]);
-p = ctx.currentPath;
-
-debug("Clear current path on object and check that it is cleaned up.");
-ctx.beginPath();
-testPointCollection([false, false, false, false, false]);
-debug("");
-
-debug("Apply path back to context path.")
-ctx.currentPath = p;
-testPointCollection([true, true, false, true, true]);