Revert of Consolidate all touch/gesture related constants in content

content/browser/renderer_host/input/input_router_impl.h

Index: content/browser/renderer_host/input/input_router_impl.h
diff --git a/content/browser/renderer_host/input/input_router_impl.h b/content/browser/renderer_host/input/input_router_impl.h
index 1fbf9d9c5016c49d0d59cb35c46f5395e1b8f990..8c512348a6bcf93988e02c4bf627d8055f9ce7fe 100644
--- a/content/browser/renderer_host/input/input_router_impl.h
+++ b/content/browser/renderer_host/input/input_router_impl.h
@@ -40,17 +40,10 @@
       public NON_EXPORTED_BASE(TouchEventQueueClient),
       public NON_EXPORTED_BASE(TouchpadTapSuppressionControllerClient) {
  public:
-  struct CONTENT_EXPORT Config {
-    Config();
-    GestureEventQueue::Config gesture_config;
-    TouchEventQueue::Config touch_config;
-  };
-
   InputRouterImpl(IPC::Sender* sender,
                   InputRouterClient* client,
                   InputAckHandler* ack_handler,
-                  int routing_id,
-                  const Config& config);
+                  int routing_id);
   virtual ~InputRouterImpl();
 
   // InputRouter
@@ -180,9 +173,8 @@
 
   // Called when a touch timeout-affecting bit has changed, in turn toggling the
   // touch ack timeout feature of the |touch_event_queue_| as appropriate. Input
-  // to that determination includes current view properties and the allowed
-  // touch action. Note that this will only affect platforms that have a
-  // non-zero touch timeout configuration.
+  // to that determination includes current view properties, the allowed touch
+  // action and the command-line configured |touch_ack_timeout_supported_|.
   void UpdateTouchAckTimeoutEnabled();
 
   // If a flush has been requested, signals a completed flush to the client if
@@ -245,6 +237,10 @@
   // The time when an input event was sent to the client.
   base::TimeTicks input_event_start_time_;
 
+  // Whether touch ack timeout handling has been enabled via the command line.
+  bool touch_ack_timeout_supported_;
+  base::TimeDelta touch_ack_timeout_delay_;
+
   // Cached flags from |OnViewUpdated()|, defaults to 0.
   int current_view_flags_;