Remove ObserveWheelEventAndResult callbacks since they are now gesture based.

content/renderer/input/input_handler_manager.cc

 // Copyright 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.
 
 #include "content/renderer/input/input_handler_manager.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 141 matching lines @@
                    base::Unretained(this), routing_id));
   }
 }
 
 void InputHandlerManager::UnregisterRoutingIDOnCompositorThread(
     int routing_id) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   client_->UnregisterRoutingID(routing_id);
 }
 
-void InputHandlerManager::ObserveWheelEventAndResultOnMainThread(
-    int routing_id,
-    const blink::WebMouseWheelEvent& wheel_event,
-    const cc::InputHandlerScrollResult& scroll_result) {
-  task_runner_->PostTask(
-      FROM_HERE,
-      base::Bind(
-          &InputHandlerManager::ObserveWheelEventAndResultOnCompositorThread,
-          base::Unretained(this), routing_id, wheel_event, scroll_result));
-}
-
-void InputHandlerManager::ObserveWheelEventAndResultOnCompositorThread(
-    int routing_id,
-    const blink::WebMouseWheelEvent& wheel_event,
-    const cc::InputHandlerScrollResult& scroll_result) {
-  DCHECK(task_runner_->BelongsToCurrentThread());
-  auto it = input_handlers_.find(routing_id);
-  if (it == input_handlers_.end())
-    return;
-
-  InputHandlerProxy* proxy = it->second->input_handler_proxy();
-  DCHECK(proxy->scroll_elasticity_controller());
-  proxy->scroll_elasticity_controller()->ObserveWheelEventAndResult(
-      wheel_event, scroll_result);
-}
-
 void InputHandlerManager::ObserveGestureEventAndResultOnMainThread(
     int routing_id,
     const blink::WebGestureEvent& gesture_event,
     const cc::InputHandlerScrollResult& scroll_result) {
   task_runner_->PostTask(
       FROM_HERE,
       base::Bind(
           &InputHandlerManager::ObserveGestureEventAndResultOnCompositorThread,
           base::Unretained(this), routing_id, gesture_event, scroll_result));
 }
@@ skipping 83 matching lines @@
 
 void InputHandlerManager::DidStopFlinging(int routing_id) {
   client_->DidStopFlinging(routing_id);
 }
 
 void InputHandlerManager::DidAnimateForInput() {
   renderer_scheduler_->DidAnimateForInputOnCompositorThread();
 }
 
 }  // namespace content