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

content/browser/renderer_host/input/motion_event_web.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // MSVC++ requires this to be set before any other includes to get M_PI.
 #define _USE_MATH_DEFINES
 
 #include "content/browser/renderer_host/input/motion_event_web.h"
 
 #include <cmath>
@@ skipping 187 matching lines @@
 
   const WebPointerProperties& pointer = event_.touches[pointer_index];
 
   switch (pointer.pointerType) {
     case WebPointerProperties::PointerType::Unknown:
       return TOOL_TYPE_UNKNOWN;
     case WebPointerProperties::PointerType::Mouse:
       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;
   }
   NOTREACHED() << "Unexpected pointerType";
   return TOOL_TYPE_UNKNOWN;
 }
 
 int MotionEventWeb::GetButtonState() const {
   return 0;
 }
 
 int MotionEventWeb::GetFlags() const {
   return ui::WebEventModifiersToEventFlags(event_.modifiers);
 }
 
 }  // namespace content