Set PointerType of pointer event on Windows.

content/browser/renderer_host/input/web_input_event_builders_win.cc

Index: content/browser/renderer_host/input/web_input_event_builders_win.cc
diff --git a/content/browser/renderer_host/input/web_input_event_builders_win.cc b/content/browser/renderer_host/input/web_input_event_builders_win.cc
index 253efa8cda99bc5b54b34b334902959f178b8df3..aa85ebf41f7525bf742b316a865a8a8a70c69db2 100644
--- a/content/browser/renderer_host/input/web_input_event_builders_win.cc
+++ b/content/browser/renderer_host/input/web_input_event_builders_win.cc
@@ -90,11 +90,13 @@ static LPARAM GetRelativeCursorPos(HWND hwnd) {
   return MAKELPARAM(pos.x, pos.y);
 }
 
-WebMouseEvent WebMouseEventBuilder::Build(HWND hwnd,
-                                          UINT message,
-                                          WPARAM wparam,
-                                          LPARAM lparam,
-                                          double time_stamp) {
+WebMouseEvent WebMouseEventBuilder::Build(
+    HWND hwnd,
+    UINT message,
+    WPARAM wparam,
+    LPARAM lparam,
+    double time_stamp,
+    blink::WebPointerProperties::PointerType pointer_type) {
   WebMouseEvent result;
 
   switch (message) {
@@ -151,6 +153,7 @@ WebMouseEvent WebMouseEventBuilder::Build(HWND hwnd,
   }
 
   result.timeStampSeconds = time_stamp;
+  result.pointerType = pointer_type;
 
   // set position fields:
 
@@ -225,11 +228,13 @@ WebMouseEvent WebMouseEventBuilder::Build(HWND hwnd,
 
 // WebMouseWheelEvent ---------------------------------------------------------
 
-WebMouseWheelEvent WebMouseWheelEventBuilder::Build(HWND hwnd,
-                                                    UINT message,
-                                                    WPARAM wparam,
-                                                    LPARAM lparam,
-                                                    double time_stamp) {
+WebMouseWheelEvent WebMouseWheelEventBuilder::Build(
+    HWND hwnd,
+    UINT message,
+    WPARAM wparam,
+    LPARAM lparam,
+    double time_stamp,
+    blink::WebPointerProperties::PointerType pointer_type) {
   WebMouseWheelEvent result;
 
   result.type = WebInputEvent::MouseWheel;
@@ -238,6 +243,8 @@ WebMouseWheelEvent WebMouseWheelEventBuilder::Build(HWND hwnd,
 
   result.button = WebMouseEvent::ButtonNone;
 
+  result.pointerType = pointer_type;
+
   // Get key state, coordinates, and wheel delta from event.
   UINT key_state;
   float wheel_delta;