[DevTools] Touch emulation in content.

content/browser/renderer_host/input/touch_emulator_client.h

+// 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.
+
+#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EMULATOR_CLIENT_H_
+#define CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EMULATOR_CLIENT_H_
+
+#include "content/common/content_export.h"
+#include "content/common/cursors/webcursor.h"
+#include "third_party/WebKit/public/web/WebInputEvent.h"
+#include "ui/events/latency_info.h"
+
+namespace content {
+
+// Emulates touch input with mouse and keyboard.
+class CONTENT_EXPORT TouchEmulatorClient {
+ public:
+  virtual ~TouchEmulatorClient() {}
+
+  virtual void ForwardGestureEvent(const blink::WebGestureEvent& event) = 0;
+  virtual void ForwardTouchEventWithLatencyInfo(

[jdduke (slow), 2014/04/07 18:12:37]

Let's call this |ForwardTouchEvent()|, and add a new method to RWHI that
provides the empty ui::LatencyInfo (the same as ForwardGestureEvent).

[dgozman, 2014/04/08 16:56:49]

Done.

+      const blink::WebTouchEvent& event,
+      const ui::LatencyInfo& latency_info) = 0;
+  virtual void SetCursor(const WebCursor& cursor) = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_TOUCH_EMULATOR_CLIENT_H_