Add the pointer type of pen to the synthetic WebMousEvent

content/browser/renderer_host/input/synthetic_mouse_driver.cc

Index: content/browser/renderer_host/input/synthetic_mouse_driver.cc
diff --git a/content/browser/renderer_host/input/synthetic_mouse_driver.cc b/content/browser/renderer_host/input/synthetic_mouse_driver.cc
index 4db6f2deaf3639571e59d6217f89616b6047b38f..66183731f22f5598bbe0eb428d74816c6207044b 100644
--- a/content/browser/renderer_host/input/synthetic_mouse_driver.cc
+++ b/content/browser/renderer_host/input/synthetic_mouse_driver.cc
@@ -8,7 +8,28 @@
 
 namespace content {
 
-SyntheticMouseDriver::SyntheticMouseDriver() {}
+namespace {
+
+blink::WebPointerProperties::PointerType GetWebPointerType(
+    SyntheticGestureParams::GestureSourceType gesture_source_type) {
+  DCHECK(gesture_source_type == SyntheticGestureParams::MOUSE_INPUT ||
+         gesture_source_type == SyntheticGestureParams::PEN_INPUT);
+  if (gesture_source_type == SyntheticGestureParams::MOUSE_INPUT)
+    return blink::WebPointerProperties::PointerType::Mouse;
+  if (gesture_source_type == SyntheticGestureParams::PEN_INPUT)
+    return blink::WebPointerProperties::PointerType::Pen;
+  NOTREACHED();
+  return blink::WebPointerProperties::PointerType::Unknown;
+}
+
+}
+
+SyntheticMouseDriver::SyntheticMouseDriver()
+    : pointer_type_(blink::WebPointerProperties::PointerType::Mouse) {}
+
+SyntheticMouseDriver::SyntheticMouseDriver(
+    SyntheticGestureParams::GestureSourceType gesture_source_type)
+    : pointer_type_(GetWebPointerType(gesture_source_type)) {}
 
 SyntheticMouseDriver::~SyntheticMouseDriver() {}
 
@@ -21,7 +42,7 @@ void SyntheticMouseDriver::DispatchEvent(SyntheticGestureTarget* target,
 void SyntheticMouseDriver::Press(float x, float y, int index) {
   DCHECK_EQ(index, 0);
   mouse_event_ = SyntheticWebMouseEventBuilder::Build(
-      blink::WebInputEvent::MouseDown, x, y, 0);
+      blink::WebInputEvent::MouseDown, x, y, 0, pointer_type_);
   mouse_event_.clickCount = 1;
 }
 
@@ -30,7 +51,7 @@ void SyntheticMouseDriver::Move(float x, float y, int index) {
   blink::WebMouseEvent::Button button = mouse_event_.button;
   int click_count = mouse_event_.clickCount;
   mouse_event_ = SyntheticWebMouseEventBuilder::Build(
-      blink::WebInputEvent::MouseMove, x, y, 0);
+      blink::WebInputEvent::MouseMove, x, y, 0, pointer_type_);
   mouse_event_.button = button;
   mouse_event_.clickCount = click_count;
 }
@@ -38,7 +59,8 @@ void SyntheticMouseDriver::Move(float x, float y, int index) {
 void SyntheticMouseDriver::Release(int index) {
   DCHECK_EQ(index, 0);
   mouse_event_ = SyntheticWebMouseEventBuilder::Build(
-      blink::WebInputEvent::MouseUp, mouse_event_.x, mouse_event_.y, 0);
+      blink::WebInputEvent::MouseUp, mouse_event_.x, mouse_event_.y, 0,
+      pointer_type_);
   mouse_event_.clickCount = 1;
 }