Implement CRC2D.scrollPathIntoView() on Canvas

LayoutTests/fast/canvas/canvas-scroll-path-into-view-expected.txt

Index: LayoutTests/fast/canvas/canvas-scroll-path-into-view-expected.txt
diff --git a/LayoutTests/fast/canvas/canvas-scroll-path-into-view-expected.txt b/LayoutTests/fast/canvas/canvas-scroll-path-into-view-expected.txt
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+Series of tests to ensure correct results of scrolling path into view on canvas
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+Test case 1: scrollPathIntoView();
+PASS testValue is 100
+PASS testValue is 600
+PASS testValue is 600
+PASS testValue is 1100
+PASS testValue is 600
+
+Test case 2: scrollPathIntoView(path);
+PASS testValue is 100
+PASS testValue is 600
+PASS testValue is 600
+PASS testValue is 1100
+PASS testValue is 600
+
+Test case 3: exceptions
+PASS context.scrollPathIntoView(null); threw exception TypeMismatchError: Failed to execute 'scrollPathIntoView' on 'CanvasRenderingContext2D': The 1st argument provided is either null, or an invalid Path2D object..
+PASS context.scrollPathIntoView([]); threw exception TypeError: Failed to execute 'scrollPathIntoView' on 'CanvasRenderingContext2D': No function was found that matched the signature provided..
+PASS context.scrollPathIntoView({}); threw exception TypeError: Failed to execute 'scrollPathIntoView' on 'CanvasRenderingContext2D': No function was found that matched the signature provided..
+
+PASS successfullyParsed is true
+
+TEST COMPLETE
+