Delegate root layer scroll offset to android_webview.

content/renderer/gpu/input_handler_manager.cc

 // Copyright (c) 2012 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/renderer/gpu/input_handler_manager.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "cc/input/input_handler.h"
 #include "content/renderer/gpu/input_event_filter.h"
@@ skipping 68 matching lines @@
   if (!input_handler)
     return;
 
   // The same handler may be registered for a route multiple times.
   if (input_handlers_.count(routing_id) != 0)
     return;
 
   TRACE_EVENT1("input",
       "InputHandlerManager::AddInputHandlerOnCompositorThread",
       "result", "AddingRoute");
-  client_->DidAddInputHandler(routing_id);
+  client_->DidAddInputHandler(routing_id, input_handler.get());
   input_handlers_[routing_id] =
       make_scoped_refptr(new InputHandlerWrapper(this,
           routing_id, main_loop, input_handler, render_view_impl));
 }
 
 void InputHandlerManager::RemoveInputHandler(int routing_id) {
   DCHECK(message_loop_proxy_->BelongsToCurrentThread());
 
   TRACE_EVENT0("input", "InputHandlerManager::RemoveInputHandler");
 
@@ skipping 14 matching lines @@
     // Oops, we no longer have an interested input handler..
     return INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
   }
 
   InputHandlerProxy* proxy = it->second->input_handler_proxy();
   return InputEventDispositionToAck(
       proxy->HandleInputEventWithLatencyInfo(*input_event, latency_info));
 }
 
 }  // namespace content