Add the pointer type of pen to the synthetic WebMousEvent

content/browser/renderer_host/input/synthetic_mouse_driver.h

Index: content/browser/renderer_host/input/synthetic_mouse_driver.h
diff --git a/content/browser/renderer_host/input/synthetic_mouse_driver.h b/content/browser/renderer_host/input/synthetic_mouse_driver.h
index 34b876092764d286f8010809514effa63fdddf9b..20e9adcb5ac35cad7c93c30c2fe94180790c930a 100644
--- a/content/browser/renderer_host/input/synthetic_mouse_driver.h
+++ b/content/browser/renderer_host/input/synthetic_mouse_driver.h
@@ -15,6 +15,8 @@ namespace content {
 class CONTENT_EXPORT SyntheticMouseDriver : public SyntheticPointerDriver {
  public:
   SyntheticMouseDriver();
+  explicit SyntheticMouseDriver(
+      SyntheticGestureParams::GestureSourceType gesture_source_type);
   ~SyntheticMouseDriver() override;
 
   void DispatchEvent(SyntheticGestureTarget* target,
@@ -36,6 +38,7 @@ class CONTENT_EXPORT SyntheticMouseDriver : public SyntheticPointerDriver {
  private:
   blink::WebMouseEvent mouse_event_;
   unsigned last_modifiers_;
+  blink::WebPointerProperties::PointerType pointer_type_;

[tdresser, 2017/01/25 15:22:46]

WebMouseEvent is a WebPointerProperties, which already has a pointer type.

Why do we need this field?

[lanwei, 2017/01/26 02:55:40]

Acknowledged.

 
   DISALLOW_COPY_AND_ASSIGN(SyntheticMouseDriver);
 };