move EventHandler out of VideoCaptureController to make VS2005 happy

content/browser/renderer_host/video_capture_controller_event_handler.cc

+// Copyright (c) 2011 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/browser/renderer_host/video_capture_controller_event_handler.h"
+
+VideoCaptureControllerID::VideoCaptureControllerID()
+    :routing_id(0),
+     device_id(0) {}
+
+VideoCaptureControllerID::VideoCaptureControllerID(int32 rid, int did)
+    :routing_id(rid),
+     device_id(did) {}
+
+VideoCaptureControllerID::~VideoCaptureControllerID() {}
+
+bool VideoCaptureControllerID::operator<(
+    const VideoCaptureControllerID& vc) const {
+  return this->routing_id < vc.routing_id && this->device_id < vc.device_id;
+}