Provided batched input delivery with a BufferedInputRouter

content/browser/renderer_host/input/mock_input_ack_handler.h

Index: content/browser/renderer_host/input/mock_input_ack_handler.h
diff --git a/content/browser/renderer_host/input/mock_input_ack_handler.h b/content/browser/renderer_host/input/mock_input_ack_handler.h
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+++ b/content/browser/renderer_host/input/mock_input_ack_handler.h
@@ -0,0 +1,77 @@
+// 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.
+
+#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_MOCK_INPUT_ACK_HANDLER_H_
+#define CONTENT_BROWSER_RENDERER_HOST_INPUT_MOCK_INPUT_ACK_HANDLER_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "content/browser/renderer_host/input/input_ack_handler.h"
+
+namespace content {
+
+class InputRouter;
+
+class MockInputAckHandler : public InputAckHandler {
+ public:
+  MockInputAckHandler();
+  virtual ~MockInputAckHandler();
+
+  // InputAckHandler
+  virtual void OnKeyboardEventAck(const NativeWebKeyboardEvent& event,
+                                  InputEventAckState ack_result) OVERRIDE;
+  virtual void OnWheelEventAck(const WebKit::WebMouseWheelEvent& event,
+                               InputEventAckState ack_result) OVERRIDE;
+  virtual void OnTouchEventAck(const TouchEventWithLatencyInfo& event,
+                               InputEventAckState ack_result) OVERRIDE;
+  virtual void OnGestureEventAck(const WebKit::WebGestureEvent& event,
+                                 InputEventAckState ack_result) OVERRIDE;
+  virtual void OnUnexpectedEventAck(UnexpectedEventAckType type) OVERRIDE;
+
+  void ExpectAckCalled(int times);
+
+  void set_input_router(InputRouter* input_router) {
+    input_router_ = input_router;
+  }
+
+  void set_followup_touch_event(scoped_ptr<GestureEventWithLatencyInfo> event) {
+    touch_followup_event_ = event.Pass();
+  }
+
+  bool unexpected_event_ack_called() const {
+    return unexpected_event_ack_called_;
+  }
+  InputEventAckState ack_state() const { return ack_state_; }
+
+  const NativeWebKeyboardEvent& acked_keyboard_event() const {
+    return acked_key_event_;
+  }
+  const WebKit::WebMouseWheelEvent& acked_wheel_event() const {
+    return acked_wheel_event_;
+  }
+  const TouchEventWithLatencyInfo& acked_touch_event() const {
+    return acked_touch_event_;
+  }
+  const WebKit::WebGestureEvent& acked_gesture_event() const {
+    return acked_gesture_event_;
+  }
+
+ private:
+  void RecordAckCalled(InputEventAckState ack_result);
+
+  InputRouter* input_router_;
+
+  int ack_count_;
+  bool unexpected_event_ack_called_;
+  InputEventAckState ack_state_;
+  NativeWebKeyboardEvent acked_key_event_;
+  WebKit::WebMouseWheelEvent acked_wheel_event_;
+  TouchEventWithLatencyInfo acked_touch_event_;
+  WebKit::WebGestureEvent acked_gesture_event_;
+
+  scoped_ptr<GestureEventWithLatencyInfo> touch_followup_event_;
+};
+
+}  // namespace content
+
+#endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_MOCK_INPUT_ACK_HANDLER_H_