Collapse the API surface on WebInputEvent via accessor functions.

content/renderer/render_widget_unittest.cc

Index: content/renderer/render_widget_unittest.cc
diff --git a/content/renderer/render_widget_unittest.cc b/content/renderer/render_widget_unittest.cc
index e5ed3f9b95118a2328efc88b665059059f8bca5d..c12505436447f9f08bd4a2b1250a2ffba0aad8a3 100644
--- a/content/renderer/render_widget_unittest.cc
+++ b/content/renderer/render_widget_unittest.cc
@@ -100,7 +100,7 @@ class InteractiveRenderWidget : public RenderWidget {
 
   bool WillHandleGestureEvent(const blink::WebGestureEvent& event) override {
     if (always_overscroll_ &&
-        event.type == blink::WebInputEvent::GestureScrollUpdate) {
+        event.type() == blink::WebInputEvent::GestureScrollUpdate) {
       didOverscroll(blink::WebFloatSize(event.data.scrollUpdate.deltaX,
                                         event.data.scrollUpdate.deltaY),
                     blink::WebFloatSize(event.data.scrollUpdate.deltaX,
@@ -261,7 +261,7 @@ TEST_F(RenderWidgetUnittest, EventOverscroll) {
   InputHostMsg_HandleInputEvent_ACK::Param params;
   InputHostMsg_HandleInputEvent_ACK::Read(message, &params);
   const InputEventAck& ack = std::get<0>(params);
-  ASSERT_EQ(ack.type, scroll.type);
+  ASSERT_EQ(ack.type, scroll.type());
   ASSERT_TRUE(ack.overscroll);
   EXPECT_EQ(gfx::Vector2dF(0, 10), ack.overscroll->accumulated_overscroll);
   EXPECT_EQ(gfx::Vector2dF(0, 10), ack.overscroll->latest_overscroll_delta);