Collapse the API surface on WebInputEvent via accessor functions.

third_party/WebKit/Source/core/input/EventHandlerTest.cpp

Index: third_party/WebKit/Source/core/input/EventHandlerTest.cpp
diff --git a/third_party/WebKit/Source/core/input/EventHandlerTest.cpp b/third_party/WebKit/Source/core/input/EventHandlerTest.cpp
index dbce543599c4478ae123567a37ebc5bba6745824..c6235cbfaae7c94080beb1f6e280891b744526e1 100644
--- a/third_party/WebKit/Source/core/input/EventHandlerTest.cpp
+++ b/third_party/WebKit/Source/core/input/EventHandlerTest.cpp
@@ -35,11 +35,12 @@ class EventHandlerTest : public ::testing::Test {
 
 class TapEventBuilder : public WebGestureEvent {
  public:
-  TapEventBuilder(IntPoint position, int tapCount) : WebGestureEvent() {
-    type = WebInputEvent::GestureTap;
+  TapEventBuilder(IntPoint position, int tapCount)
+      : WebGestureEvent(WebInputEvent::GestureTap,
+                        WebInputEvent::NoModifiers,
+                        TimeTicks::Now().InSeconds()) {
     x = globalX = position.x();
     y = globalY = position.y();
-    timeStampSeconds = TimeTicks::Now().InSeconds();
     sourceDevice = WebGestureDeviceTouchscreen;
     data.tap.tapCount = tapCount;
     data.tap.width = 5;