Image Capture README.md: fix table

third_party/WebKit/Source/modules/imagecapture/README.md

 # Image Capture API
 
 This folder contains the implementation of the [W3C Image Capture API].
 Image Capture was shipped in Chrome M59; please consult the
 [Implementation Status] if you think a feature should be available and isn't.
 
 [W3C Image Capture API]: https://w3c.github.io/mediacapture-image/
 [Implementation Status]: https://github.com/w3c/mediacapture-image/blob/master/implementation-status.md
 
 This API is structured around the [ImageCapture class] _and_ a number of
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 ### Photo settings and capabilities
 
 The photo-specific options and settings are associated to `theImageCapturer` or
 `theTrack` depending on whether a given capability/setting has an immediately
 recognisable effect on `theTrack`, in other words if it's "live" or not. For
 example, changing the zoom level is instantly reflected on the `theTrack`,
 while connecting the Red Eye Reduction, if available, is not.
 
- Object | type | retrieved by... |
- :--| :-- | --: |
-[`PhotoCapabilities`](https://w3c.github.io/mediacapture-image/##photocapabilities-section) | non-live capabilities | `theImageCapturer.getPhotoCapabilities()` |
-[`MediaTrackCapabilities`](https://w3c.github.io/mediacapture-image/#mediatrackcapabilities-section) | live capabilities | `theTrack.getCapabilities()` |
-|  |  |
-[`PhotoSettings`](https://w3c.github.io/mediacapture-image/##photocapabilities-section) | non-live settings |  |
-[`MediaTrackSettings`](https://w3c.github.io/mediacapture-image/#mediatracksettings-section) | live settings | `theTrack.getSettings()` |
+| Object                   |type                 | retrieved by...                         |
+| :--                      |:--                  | --:                                     |
+|[`PhotoCapabilities`]     |non-live capabilities|`theImageCapturer.getPhotoCapabilities()`|
+|[`MediaTrackCapabilities`]|live capabilities    |`theTrack.getCapabilities()`             |
+|                          |                     |                                         |
+|[`PhotoSettings`]         |non-live settings    |                                         |
+|[`MediaTrackSettings`]    |live settings        |`theTrack.getSettings()`                 |
 
+[`PhotoCapabilities`]: https://w3c.github.io/mediacapture-image/##photocapabilities-section
+[`MediaTrackCapabilities`]: https://w3c.github.io/mediacapture-image/#mediatrackcapabilities-section
+[`PhotoSettings`]: https://w3c.github.io/mediacapture-image/##photosettings-section
+[`MediaTrackSettings`]: https://w3c.github.io/mediacapture-image/#mediatracksettings-section
 
 ## Other topics
 
 ### Are `takePhoto()` and `grabFrame()` the same?
 
 These methods would not produce the same results as explained in
 [this issue comment](
 https://bugs.chromium.org/p/chromium/issues/detail?id=655107#c8):
 
 
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 ## Testing
 
 Sensors layout tests are located in [LayoutTests/imagecapture],
 [LayoutTests/fast/imagecapture] and [LayoutTests/external/mediacapture-image].
 
 [LayoutTests/imagecapture]: https://chromium.googlesource.com/chromium/src/+/master/third_party/WebKit/LayoutTests/imagecapture
 [LayoutTests/fast/imagecapture]: https://chromium.googlesource.com/chromium/src/+/master/third_party/WebKit/LayoutTests/fast/imagecapture/
 [LayoutTests/external/mediacapture-image]: https://chromium.googlesource.com/chromium/src/+/master/third_party/WebKit/LayoutTests/external/wpt/mediacapture-image/