Collapse the API surface on WebInputEvent via accessor functions.

content/browser/renderer_host/input/web_input_event_util_unittest.cc

 // Copyright 2014 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.
 
 // Needed on Windows to get |M_PI| from <cmath>.
 #ifdef _WIN32
 #define _USE_MATH_DEFINES
 #endif
 
 #include <stddef.h>
@@ skipping 93 matching lines @@
                              pos.y(),
                              raw_pos.x(),
                              raw_pos.y(),
                              touch_points,
                              rect,
                              flags,
                              0U);
 
   blink::WebGestureEvent web_event =
       ui::CreateWebGestureEventFromGestureEventData(event);
-  EXPECT_EQ(WebInputEvent::GestureScrollUpdate, web_event.type);
-  EXPECT_EQ(0, web_event.modifiers);
+  EXPECT_EQ(WebInputEvent::GestureScrollUpdate, web_event.type());
+  EXPECT_EQ(0, web_event.modifiers());
   EXPECT_EQ((timestamp - base::TimeTicks()).InSecondsF(),
-            web_event.timeStampSeconds);
+            web_event.timeStampSeconds());
   EXPECT_EQ(gfx::ToFlooredInt(pos.x()), web_event.x);
   EXPECT_EQ(gfx::ToFlooredInt(pos.y()), web_event.y);
   EXPECT_EQ(gfx::ToFlooredInt(raw_pos.x()), web_event.globalX);
   EXPECT_EQ(gfx::ToFlooredInt(raw_pos.y()), web_event.globalY);
   EXPECT_EQ(blink::WebGestureDeviceTouchscreen, web_event.sourceDevice);
   EXPECT_EQ(delta.x(), web_event.data.scrollUpdate.deltaX);
   EXPECT_EQ(delta.y(), web_event.data.scrollUpdate.deltaY);
   EXPECT_TRUE(web_event.data.scrollUpdate.previousUpdateInSequencePrevented);
 }
 
 }  // namespace content