Move WebMouseWheelEvent into its own header file.

content/common/input/input_param_traits_unittest.cc

 // Copyright 2013 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 "content/common/input/input_param_traits.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "content/common/input/input_event.h"
 #include "content/common/input/synthetic_gesture_params.h"
 #include "content/common/input/synthetic_pinch_gesture_params.h"
 #include "content/common/input/synthetic_pointer_action_params.h"
 #include "content/common/input/synthetic_smooth_drag_gesture_params.h"
 #include "content/common/input/synthetic_smooth_scroll_gesture_params.h"
 #include "content/common/input_messages.h"
 #include "ipc/ipc_message.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebGestureEvent.h"
 #include "third_party/WebKit/public/platform/WebInputEvent.h"
+#include "third_party/WebKit/public/platform/WebMouseWheelEvent.h"
 
 namespace content {
 namespace {
 
 typedef ScopedVector<InputEvent> InputEvents;
 
 class InputParamTraitsTest : public testing::Test {
  protected:
   static void Compare(const InputEvent* a, const InputEvent* b) {
     EXPECT_EQ(!!a->web_event, !!b->web_event);
@@ skipping 288 matching lines @@
           SyntheticGestureParams::TOUCH_INPUT);
   ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION,
             gesture_params->GetGestureType());
   SyntheticGesturePacket packet_in;
   packet_in.set_gesture_params(std::move(gesture_params));
   Verify(packet_in);
 }
 
 }  // namespace
 }  // namespace content