Consolidate all touch/gesture related constants in content

content/browser/renderer_host/input/input_router_config_helper.h

Index: content/browser/renderer_host/input/input_router_config_helper.h
diff --git a/content/browser/renderer_host/input/input_router_config_helper.h b/content/browser/renderer_host/input/input_router_config_helper.h
new file mode 100644
index 0000000000000000000000000000000000000000..46fbbd09118d63c93fa2dea50ee843dda99bfd48
--- /dev/null
+++ b/content/browser/renderer_host/input/input_router_config_helper.h
@@ -0,0 +1,18 @@
+// 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_INPUT_ROUTER_CONFIG_HELPER_H_
+#define CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CONFIG_HELPER_H_
+
+#include "content/browser/renderer_host/input/input_router_impl.h"
+
+namespace content {
+
+// Return an InputRouter configuration with parameters tailored to the current
+// platform.
+InputRouterImpl::Config GetInputRouterConfigForPlatform();
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_INPUT_ROUTER_CONFIG_HELPER_H_