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jdduke@chromium.org authored
Some touch devices report either zero or unreasonably small touch sizes. While this doesn't present a problem for gesture detection, it does affect the behavior of the touch-derived gestures. For example, tap disambiguation is prevented if the tap gesture's size is sufficiently small. As a workaround, provide a platform-specific minimum gesture bounds length in GestureProvider. On Android, this value is the same as was used before the unified gesture detector, and on Aura we simply use half the default touch size. BUG=379876 Review URL: https://codereview.chromium.org/321563002 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@276550 0039d316-1c4b-4281-b951-d872f2087c98
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