Rename metadata directories

This renames:
 - `tests/wpt/metadata` → `tests/wpt/meta-legacy-layout`
 - `tests/wpt/metadata-layout-2020` → `tests/wpt/meta`
 - `tests/wpt/mozilla/meta` → `tests/wpt/mozilla/meta-legacy-layout`
 - `tests/wpt/mozilla/meta-layout-2020` → `tests/wpt/mozilla/meta`

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.commit.html.ini

@@ -0,0 +1,7 @@
+[offscreencanvas.commit.html]
+  [Test that calling OffscreenCanvas's commit pushes its contents to its placeholder.]
+    expected: FAIL
+
+  [Test that calling commit on an OffscreenCanvas that is not transferred from a HTMLCanvasElement is a noop.]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.commit.w.html.ini

@@ -0,0 +1,4 @@
+[offscreencanvas.commit.w.html]
+  [Test that calling OffscreenCanvas's commit pushes its contents to its placeholder.]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.constructor.html.ini

@@ -0,0 +1,4 @@
+[offscreencanvas.constructor.html]
+  [Test that OffscreenCanvas constructor handles invalid arguments correctly]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.constructor.worker.js.ini

@@ -0,0 +1,4 @@
+[offscreencanvas.constructor.worker.html]
+  [Test that OffscreenCanvas constructor handles invalid arguments correctly in a worker]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.getcontext.html.ini

@@ -0,0 +1,16 @@
+[offscreencanvas.getcontext.html]
+  [Test that getContext with supported string returns correct results]
+    expected: FAIL
+
+  [Test that webglcontext.canvas should return the original OffscreenCanvas]
+    expected: FAIL
+
+  [Test that getContext with un-supported string throws a TypeError.]
+    expected: FAIL
+
+  [Test that OffscreenCanvasRenderingContext2D with alpha disabled makes the OffscreenCanvas opaque]
+    expected: FAIL
+
+  [Test that getContext twice with different context type returns null the second time]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.getcontext.worker.js.ini

@@ -0,0 +1,16 @@
+[offscreencanvas.getcontext.worker.html]
+  [Test that getContext with supported string returns correct results]
+    expected: FAIL
+
+  [Test that webglcontext.canvas should return the original OffscreenCanvas]
+    expected: FAIL
+
+  [Test that getContext with un-supported string throws a TypeError.]
+    expected: FAIL
+
+  [Test that OffscreenCanvasRenderingContext2D with alpha disabled makes the OffscreenCanvas opaque]
+    expected: FAIL
+
+  [Test that getContext twice with different context type returns null the second time]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.resize.html.ini

@@ -0,0 +1,22 @@
+[offscreencanvas.resize.html]
+  [Verify that writing to the width and height attributes of an OffscreenCanvas works when there is a 2d context attached.]
+    expected: FAIL
+
+  [Verify that resizing an OffscreenCanvas with a webgl context propagates the new size to its placeholder canvas asynchronously.]
+    expected: FAIL
+
+  [Verify that resizing an OffscreenCanvas with a 2d context propagates the new size to its placeholder canvas asynchronously.]
+    expected: FAIL
+
+  [Verify that drawImage uses the size of the frame as the intinsic size of a placeholder canvas.]
+    expected: FAIL
+
+  [Verify that writing to the width and height attributes of an OffscreenCanvas works when there is a webgl context attached.]
+    expected: FAIL
+
+  [Verify that writing to the width or height attribute of a placeholder canvas throws an exception]
+    expected: FAIL
+
+  [Verify that writing to the width or height attribute of a placeholder canvas throws an exception even when not changing the value of the attribute.]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.lowlatency.nocrash.html.ini

@@ -0,0 +1,3 @@
+[offscreencanvas.transfer.lowlatency.nocrash.html]
+  [Tests that transferring a low latency canvas does not cause a crash. See crbug.com/1255153]
+    expected: FAIL

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.html.ini

@@ -0,0 +1,19 @@
+[offscreencanvas.transfer.to.imagebitmap.html]
+  [Test that transferToImageBitmap returns an ImageBitmap with correct color]
+    expected: FAIL
+
+  [Test that call transferToImageBitmap on a detached OffscreenCanvas throws an exception]
+    expected: FAIL
+
+  [Test that transferToImageBitmap returns an ImageBitmap with correct width and height]
+    expected: FAIL
+
+  [Test that transferToImageBitmap without a context throws an exception]
+    expected: FAIL
+
+  [Test that transferToImageBitmap preserves transform]
+    expected: FAIL
+
+  [Test that transferToImageBitmap won't change context's property]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.nocrash.html.ini

@@ -0,0 +1,3 @@
+[offscreencanvas.transfer.to.imagebitmap.nocrash.html]
+  [offscreencanvas]
+    expected: FAIL

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.w.html.ini

@@ -0,0 +1,26 @@
+[offscreencanvas.transfer.to.imagebitmap.w.html]
+  expected: ERROR
+  [Test that call transferToImageBitmap twice returns an ImageBitmap with correct color in a worker]
+    expected: FAIL
+
+  [Test that transferToImageBitmap returns an ImageBitmap with correct width and height in a worker]
+    expected: FAIL
+
+  [Test that transferToImageBitmap returns an ImageBitmap with correct color in a worker]
+    expected: FAIL
+
+  [Test that call transferToImageBitmap on a detached OffscreenCanvas throws an exception in a worker]
+    expected: FAIL
+
+  [Test that call transferToImageBitmap without a context throws an exception in a worker]
+    expected: FAIL
+
+  [Test that call transferToImageBitmap preserves transform in a worker]
+    expected: FAIL
+
+  [Test that transferToImageBitmap won't change context's property in a worker]
+    expected: FAIL
+
+  [Test that call transferToImageBitmap twice on a alpha-disabled context returns an ImageBitmap with correct color in a worker]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfercontrol.to.offscreen.html.ini

@@ -0,0 +1,10 @@
+[offscreencanvas.transfercontrol.to.offscreen.html]
+  [Test that calling transferControlToOffscreen twice throws an exception]
+    expected: FAIL
+
+  [Test that an OffscreenCanvas generated by transferControlToOffscreen gets correct width and height]
+    expected: FAIL
+
+  [Test that calling getContext on a placeholder canvas that has already transferred its control throws an exception]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfercontrol.to.offscreen.w.html.ini

@@ -0,0 +1,10 @@
+[offscreencanvas.transfercontrol.to.offscreen.w.html]
+  [Test that calling getContext on a placeholder canvas that is transferred its control to an OffscreenCanvas throws an exception, when the OffscreenCanvas is transferred to a worker]
+    expected: FAIL
+
+  [Test that an OffscreenCanvas generated by transferControlToOffscreen gets correct width and height when it is transferred to a worker]
+    expected: FAIL
+
+  [Test that calling transferControlToOffscreen twice throws an exception, when its associated OffscreenCanvas is transferred to a worker]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transferrable.html.ini

@@ -0,0 +1,16 @@
+[offscreencanvas.transferrable.html]
+  [Test that offscreenCanvas's size is correct after being transferred to a worker.]
+    expected: FAIL
+
+  [Test that calling getContext('webgl') on a detached OffscreenCanvas throws exception.]
+    expected: FAIL
+
+  [Test that transfer an OffscreenCanvas that has a context throws exception.]
+    expected: FAIL
+
+  [Test that transfer an OffscreenCanvas twice throws exception.]
+    expected: FAIL
+
+  [Test that calling getContext('2d') on a detached OffscreenCanvas throws exception.]
+    expected: FAIL
+

tests/wpt/meta/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transferrable.w.html.ini

@@ -0,0 +1,20 @@
+[offscreencanvas.transferrable.w.html]
+  expected: ERROR
+  [Test that calling getContext('webgl') on a detached OffscreenCanvas throws exception in a worker.]
+    expected: FAIL
+
+  [Test that transfer an OffscreenCanvas that has a webgl context throws exception in a worker.]
+    expected: FAIL
+
+  [Test that transfer an OffscreenCanvas twice throws exception in a worker.]
+    expected: FAIL
+
+  [Test that calling getContext('2d') on a detached OffscreenCanvas throws exception in a worker.]
+    expected: FAIL
+
+  [Test that OffscreenCanvas's size is correct after being transferred from a worker.]
+    expected: FAIL
+
+  [Test that transfer an OffscreenCanvas that has a 2d context throws exception in a worker.]
+    expected: FAIL
+