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

third_party/WebKit/Source/core/events/PointerEventFactory.cpp

Index: third_party/WebKit/Source/core/events/PointerEventFactory.cpp
diff --git a/third_party/WebKit/Source/core/events/PointerEventFactory.cpp b/third_party/WebKit/Source/core/events/PointerEventFactory.cpp
index ef93631cd36dd7b0459ea194c434603f576bb1d1..21105e1b920a13158bbdb30fd933672e55f14899 100644
--- a/third_party/WebKit/Source/core/events/PointerEventFactory.cpp
+++ b/third_party/WebKit/Source/core/events/PointerEventFactory.cpp
@@ -21,6 +21,9 @@ const char* pointerTypeNameForWebPointPointerType(WebPointerProperties::PointerT
     case WebPointerProperties::PointerType::Touch:
         return "touch";
     case WebPointerProperties::PointerType::Pen:
+    case WebPointerProperties::PointerType::Eraser:
+        // TODO(mustaq): Continue eraser plumbing to web API.
+        // See crbug.com/642455
         return "pen";
     case WebPointerProperties::PointerType::Mouse:
         return "mouse";