[cc] Remove unused parameter to DidUpdateScrollOffset

cc/layers/layer_position_constraint_unittest.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 "cc/layers/layer_position_constraint.h"
 
 #include <vector>
 
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 182 matching lines @@
   LayerPositionConstraint fixed_to_bottom_right_;
 
   // LayerImpl should not be aware of synced property logics, this function is
   // a hack for the test to arbitrarily set the scroll delta for setting up.
   static void SetScrollOffsetDelta(LayerImpl* layer_impl,
                                    const gfx::Vector2dF& delta) {
     if (layer_impl->layer_tree_impl()
             ->property_trees()
             ->scroll_tree.SetScrollOffsetDeltaForTesting(layer_impl->id(),
                                                          delta))
-      layer_impl->layer_tree_impl()->DidUpdateScrollOffset(
-          layer_impl->id(), layer_impl->transform_tree_index());
+      layer_impl->layer_tree_impl()->DidUpdateScrollOffset(layer_impl->id());
   }
 };
 
 namespace {
 
 void SetFixedContainerSizeDelta(LayerImpl* scroll_layer,
                                 const gfx::Vector2d& delta) {
   DCHECK(scroll_layer);
   DCHECK(scroll_layer->scrollable());
 
@@ skipping 950 matching lines @@
   VerifySerializeAndDeserializeProto(true, false, true);
   VerifySerializeAndDeserializeProto(true, false, false);
   VerifySerializeAndDeserializeProto(false, true, true);
   VerifySerializeAndDeserializeProto(false, true, false);
   VerifySerializeAndDeserializeProto(false, false, true);
   VerifySerializeAndDeserializeProto(false, false, false);
 }
 
 }  // namespace
 }  // namespace cc