Collapse the API surface on WebInputEvent via accessor functions.

ui/events/blink/event_with_callback.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/events/blink/event_with_callback.h"
 
 #include "base/memory/ptr_util.h"
 #include "ui/events/blink/blink_event_util.h"
 #include "ui/events/blink/did_overscroll_params.h"
 #include "ui/events/blink/web_input_event_traits.h"
@@ skipping 22 matching lines @@
 }
 
 void EventWithCallback::CoalesceWith(EventWithCallback* other,
                                      base::TimeTicks timestamp_now) {
   // |other| should be a newer event than |this|.
   if (other->latency_.trace_id() >= 0 && latency_.trace_id() >= 0)
     DCHECK_GT(other->latency_.trace_id(), latency_.trace_id());
 
   // New events get coalesced into older events, and the newer timestamp
   // should always be preserved.
-  const double time_stamp_seconds = other->event().timeStampSeconds;
+  const double time_stamp_seconds = other->event().timeStampSeconds();
   Coalesce(other->event(), event_.get());
   event_->setTimeStampSeconds(time_stamp_seconds);
 
   // When coalescing two input events, we keep the oldest LatencyInfo
   // since it will represent the longest latency.
   other->latency_ = latency_;
   other->latency_.set_coalesced();
 
   // Move original events.
   original_events_.splice(original_events_.end(), other->original_events_);
@@ skipping 16 matching lines @@
 }
 
 EventWithCallback::OriginalEventWithCallback::OriginalEventWithCallback(
     ScopedWebInputEvent event,
     const InputHandlerProxy::EventDispositionCallback& callback)
     : event_(std::move(event)), callback_(callback) {}
 
 EventWithCallback::OriginalEventWithCallback::~OriginalEventWithCallback() {}
 
 }  // namespace ui