Add constructors to WebInputEvents and setters so we can work at cleaning up these public structs.

ui/events/blink/input_scroll_elasticity_controller_unittest.cc

Index: ui/events/blink/input_scroll_elasticity_controller_unittest.cc
diff --git a/ui/events/blink/input_scroll_elasticity_controller_unittest.cc b/ui/events/blink/input_scroll_elasticity_controller_unittest.cc
index 6349947572f2f6236b0b4cc6b77e2b099b8d75f6..3ad1c182cee185fede5aef24118c90f9b6b0319a 100644
--- a/ui/events/blink/input_scroll_elasticity_controller_unittest.cc
+++ b/ui/events/blink/input_scroll_elasticity_controller_unittest.cc
@@ -88,13 +88,14 @@ class ScrollElasticityControllerTest : public testing::Test {
 
 
   void SendGestureScrollBegin(InertialPhaseState inertialPhase) {
-    blink::WebGestureEvent event;
+    TickCurrentTime();
+    blink::WebGestureEvent event(
+        blink::WebInputEvent::GestureScrollBegin,
+        blink::WebInputEvent::NoModifiers,
+        (current_time_ - base::TimeTicks()).InSecondsF());
     event.sourceDevice = blink::WebGestureDeviceTouchpad;
-    event.type = blink::WebInputEvent::GestureScrollBegin;
     event.data.scrollBegin.inertialPhase =
         static_cast<blink::WebGestureEvent::InertialPhaseState>(inertialPhase);
-    TickCurrentTime();
-    event.timeStampSeconds = (current_time_ - base::TimeTicks()).InSecondsF();
 
     controller_.ObserveGestureEventAndResult(event,
                                              cc::InputHandlerScrollResult());
@@ -105,15 +106,16 @@ class ScrollElasticityControllerTest : public testing::Test {
       InertialPhaseState inertialPhase,
       const gfx::Vector2dF& event_delta = gfx::Vector2dF(),
       const gfx::Vector2dF& overscroll_delta = gfx::Vector2dF()) {
-    blink::WebGestureEvent event;
+    TickCurrentTime();
+    blink::WebGestureEvent event(
+        blink::WebInputEvent::GestureScrollUpdate,
+        blink::WebInputEvent::NoModifiers,
+        (current_time_ - base::TimeTicks()).InSecondsF());
     event.sourceDevice = blink::WebGestureDeviceTouchpad;
-    event.type = blink::WebInputEvent::GestureScrollUpdate;
     event.data.scrollUpdate.inertialPhase =
         static_cast<blink::WebGestureEvent::InertialPhaseState>(inertialPhase);
     event.data.scrollUpdate.deltaX = -event_delta.x();
     event.data.scrollUpdate.deltaY = -event_delta.y();
-    TickCurrentTime();
-    event.timeStampSeconds = (current_time_ - base::TimeTicks()).InSecondsF();
 
     cc::InputHandlerScrollResult scroll_result;
     scroll_result.did_overscroll_root = !overscroll_delta.IsZero();
@@ -124,12 +126,12 @@ class ScrollElasticityControllerTest : public testing::Test {
   }
 
   void SendGestureScrollEnd() {
-    blink::WebGestureEvent event;
-    event.sourceDevice = blink::WebGestureDeviceTouchpad;
-    event.type = blink::WebInputEvent::GestureScrollEnd;
-
     TickCurrentTime();
-    event.timeStampSeconds = (current_time_ - base::TimeTicks()).InSecondsF();
+    blink::WebGestureEvent event(
+        blink::WebInputEvent::GestureScrollEnd,
+        blink::WebInputEvent::NoModifiers,
+        (current_time_ - base::TimeTicks()).InSecondsF());
+    event.sourceDevice = blink::WebGestureDeviceTouchpad;
 
     controller_.ObserveGestureEventAndResult(event,
                                              cc::InputHandlerScrollResult());