There is a `WebView` in libservo (new) and a `WebView` in compositing
(old). Nowadays, the "real" `WebView` is the one in the libservo. The
`WebView` in `compositing` is really about rendering the contents of a
`WebView` from libservo. In addition there is also a trait exposed by
the compositor called `RendererWebView` which is a way for the
compositor to talk to libservo without a circular dependency.
This changes does some renames to make things clearer and so that there
is One Less WebView™:
- `compositing::WebView` -> `compositing::WebViewRenderer` (this is the
same kind of naming as `ServoRenderer`).
- `compositing::RendererWebView` -> `compositing::WebViewTrait`
Testing: This is just a couple renames so should be covered by existing
tests.
Signed-off-by: Martin Robinson <mrobinson@igalia.com>
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