* commit 'ddf50607d1a530c630a1ef96578afeb98028dae1':
b/3302354 Always pass multi-touch events into WebKit, then handle them in WebView if preventDefault is not set. WebViewCore.java: add a MotionEvent field into TouchEventData for multi-touch so the extra data such as pressure, size can be preserved. WebView.java: 1. Extracted the common code for multi-touch and single touch to a new private function: handleTouchEventCommon() 2. Extracted the multi-touch code, including zooming and panning, to a new private function: handleMultiTouchInWebView() 3. In onTouchEvent(), single touch events keep the code path, but multi-touch events are always passed to Webkit first. 4. In Privatehandler.handleMessage(), if WebKit didn't consume the multi-touch event, the private handler calls the handleMultiTouchInWebView() to zoom and pan.
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