Pass real tilt information to PointerEvents.

public/platform/WebPointerProperties.h

Index: public/platform/WebPointerProperties.h
diff --git a/public/platform/WebPointerProperties.h b/public/platform/WebPointerProperties.h
index d75bdc8eef918eb064728d55632dba838c8f9f6b..e8938c4fe3f4672d6e37c67a1a283e9b784a8c8d 100644
--- a/public/platform/WebPointerProperties.h
+++ b/public/platform/WebPointerProperties.h
@@ -18,6 +18,8 @@ public:
         : button(ButtonNone)
         , id(0)
         , force(0.f)
+        , tiltX(0)
+        , tiltY(0)
     {
     }
 
@@ -32,6 +34,8 @@ public:
 
     int id;
     float force;
+    int tiltX;

[Rick Byers, 2015/07/27 14:14:19]

Since these are new, can you please add some comments here briefly describing
their semantics (units, range, etc.)?

[USE eero AT chromium.org, 2015/07/27 17:53:36]

Done.

+    int tiltY;
 };
 
 } // namespace blink