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

blimp/engine/feature/engine_render_widget_feature_unittest.cc

 // Copyright 2015 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 "blimp/engine/feature/engine_render_widget_feature.h"
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 145 matching lines @@
   return arg.target_tab_id() == tab_id &&
          arg.ime().render_widget_id() == rwid &&
          arg.ime().type() == message_type &&
          arg.ime().ime_text().compare(text) == 0 &&
          arg.ime().text_input_type() == text_input_type;
 }
 
 void SendInputMessage(BlimpMessageProcessor* processor,
                       int tab_id,
                       int rw_id) {
-  blink::WebGestureEvent input_event;
-  input_event.type = blink::WebGestureEvent::Type::GestureTap;
+  blink::WebGestureEvent input_event(blink::WebGestureEvent::Type::GestureTap,
+                                     blink::WebInputEvent::NoModifiers,
+                                     blink::WebInputEvent::TimeStampForTesting);
 
   InputMessageGenerator generator;
   std::unique_ptr<BlimpMessage> message =
       generator.GenerateMessage(input_event);
   message->set_target_tab_id(tab_id);
   message->mutable_input()->set_render_widget_id(rw_id);
 
   net::TestCompletionCallback cb;
   processor->ProcessMessage(std::move(message), cb.callback());
   EXPECT_EQ(net::OK, cb.WaitForResult());
@@ skipping 162 matching lines @@
 
   feature_.OnRenderWidgetCreated(1, &render_widget_host1_);
   feature_.OnRenderWidgetCreated(2, &render_widget_host2_);
   feature_.OnRenderWidgetInitialized(1, &render_widget_host1_);
   feature_.OnRenderWidgetDeleted(2, &render_widget_host2_);
   feature_.SendCompositorMessage(1, &render_widget_host1_, payload);
 }
 
 }  // namespace engine
 }  // namespace blimp