Fix WebView compositor input handling

content/public/renderer/android/synchronous_input_event_handler.h

+// Copyright (c) 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_PUBLIC_COMMON_ANDROID_SYNCHRONOUS_INPUT_EVENT_HANDLER_H_
+#define CONTENT_PUBLIC_COMMON_ANDROID_SYNCHRONOUS_INPUT_EVENT_HANDLER_H_
+
+#include "base/basictypes.h"
+#include "content/common/content_export.h"
+#include "content/public/common/input_event_ack_state.h"
+
+namespace WebKit {
+class WebInputEvent;
+}
+
+namespace content {
+
+// Interface for embedders that wish to expose synchronous, in-process input
+// even handling operations. Only meaningful when the
+// kEnableSynchronousRendererCompositor flag is specified.
+class CONTENT_EXPORT SynchronousInputEventHandler {
+ public:
+  virtual ~SynchronousInputEventHandler() {}
+
+  virtual InputEventAckState HandleInputEvent(
+      int routing_id,
+      const WebKit::WebInputEvent* input_event) = 0;
+
+ protected:
+  SynchronousInputEventHandler() {}
+
+private:
+  DISALLOW_COPY_AND_ASSIGN(SynchronousInputEventHandler);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_COMMON_ANDROID_SYNCHRONOUS_INPUT_EVENT_HANDLER_H_