Remove unnecessary passing of arguments in InputHandlerProxy

Some methods in InputHandlerProxy take an event_with_callback argument,
but they also take some other arguments that can be extracted from
event_with_callback. These can be removed.

Bug: 1079116
Change-Id: Ie4c70386e4e4c4d533eb56189bf0fee339ea7e6c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2431552
Commit-Queue: Mohsen Izadi <mohsen@chromium.org>
Reviewed-by: Dave Tapuska <dtapuska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810893}

third_party/blink/public/platform/input/input_handler_proxy.h

@@ -229,31 +229,19 @@ class BLINK_PLATFORM_EXPORT InputHandlerProxy
       const blink::WebGestureEvent& event,
       const blink::WebInputEventAttribution& original_attribution);
   EventDisposition HandleGestureScrollEnd(const blink::WebGestureEvent& event);
-  EventDisposition HandleTouchStart(
-      EventWithCallback* event_with_callback,
-      const ui::LatencyInfo& original_latency_info);
-  EventDisposition HandleTouchMove(
-      EventWithCallback* event_with_callback,
-      const ui::LatencyInfo& original_latency_info);
-  EventDisposition HandleTouchEnd(EventWithCallback* event_with_callback,
-                                  const ui::LatencyInfo& original_latency_info);
+  EventDisposition HandleTouchStart(EventWithCallback* event_with_callback);
+  EventDisposition HandleTouchMove(EventWithCallback* event_with_callback);
+  EventDisposition HandleTouchEnd(EventWithCallback* event_with_callback);
 
   const cc::InputHandlerPointerResult HandlePointerDown(
-      const gfx::PointF& position,
-      const ui::LatencyInfo&,
-      bool has_modifier,
-      base::TimeTicks timestamp,
-      EventWithCallback* event_with_callback);
+      EventWithCallback* event_with_callback,
+      const gfx::PointF& position);
   const cc::InputHandlerPointerResult HandlePointerMove(
-      const gfx::PointF& position,
-      const ui::LatencyInfo&,
-      base::TimeTicks timestamp,
-      EventWithCallback* event_with_callback);
+      EventWithCallback* event_with_callback,
+      const gfx::PointF& position);
   const cc::InputHandlerPointerResult HandlePointerUp(
-      const gfx::PointF& position,
-      const ui::LatencyInfo&,
-      base::TimeTicks timestamp,
-      EventWithCallback* event_with_callback);
+      EventWithCallback* event_with_callback,
+      const gfx::PointF& position);
 
   void InputHandlerScrollEnd();
 
@@ -285,7 +273,6 @@ class BLINK_PLATFORM_EXPORT InputHandlerProxy
 
   EventDisposition RouteToTypeSpecificHandler(
       EventWithCallback* event_with_callback,
-      const ui::LatencyInfo& original_latency_info,
       const blink::WebInputEventAttribution& original_attribution);
 
   void set_event_attribution_enabled(bool enabled) {