Increase WebTouchEvent::touchesLengthCap to 16.

public/web/WebInputEvent.h

Index: public/web/WebInputEvent.h
diff --git a/public/web/WebInputEvent.h b/public/web/WebInputEvent.h
index 68414184a4f411a5d2c38a7ca57fb0f64cc49e5d..cd4d53232a829163759b462e257f0f294decbb81 100644
--- a/public/web/WebInputEvent.h
+++ b/public/web/WebInputEvent.h
@@ -485,7 +485,8 @@ class WebTouchEvent : public WebInputEvent {
 public:
     // Maximum number of simultaneous touches supported on
     // Ash/Aura.
-    enum { touchesLengthCap = 12 };
+    // FIXME: Make this a variable that somehow depends on hardware max.

[Rick Byers, 2014/10/09 14:31:23]

I'm fine saying we'll never plan to support >16 (i.e. omit the FIXME).  There's
not much harm in having this a little bigger than necessary (since events are
not long-lived), and so probably not worth the hassle of making it dynamic.

[mustaq, 2014/10/09 14:53:36]

Done.

+    enum { touchesLengthCap = 16 };
 
     unsigned touchesLength;
     // List of all touches, regardless of state.