Eraser tool type plumbing from ui/events to web events and PPAPI.

content/browser/renderer_host/input/motion_event_web.cc

Index: content/browser/renderer_host/input/motion_event_web.cc
diff --git a/content/browser/renderer_host/input/motion_event_web.cc b/content/browser/renderer_host/input/motion_event_web.cc
index 2fccea6133a3f7437bda08dbed24f44f511aa5f7..166d34d58fbe3445faef5e192ece05ce556224ed 100644
--- a/content/browser/renderer_host/input/motion_event_web.cc
+++ b/content/browser/renderer_host/input/motion_event_web.cc
@@ -205,6 +205,8 @@ ui::MotionEvent::ToolType MotionEventWeb::GetToolType(
       return TOOL_TYPE_MOUSE;
     case WebPointerProperties::PointerType::Pen:
       return TOOL_TYPE_STYLUS;
+    case WebPointerProperties::PointerType::Eraser:
+      return TOOL_TYPE_ERASER;
     case WebPointerProperties::PointerType::Touch:
       return TOOL_TYPE_FINGER;
   }