[webkit-qt] Pinch-zoom behavior change in MiniBrowser --touch

[jocelyn.turcotte at nokia.com]

Just a quick note for people wanting to pinch-zoom on the TouchWebView in MiniBrowser on desktop. The patch on bug https://bugs.webkit.org/show_bug.cgi?id=71106 changes the behavior to now release touch points when releasing the Ctrl key.

So after this patch you would do a pinch-zoom doing:
1. Hold Ctrl
2. Press move and release mouse buttons in any order
3. Release Ctrl

Before this patch you would have had to do a pinch zoom by doing something like:
1. MouseButton1 press and move the "touch point"
2. MouseButton1 Release while holding Ctrl (to prevent TouchRelease to be sent)
3. MouseButton2 press move and release
5. MouseButton1 press and release without holding Ctrl (to send TouchRelease for the first touch point)

br,
Jocelyn
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