Replace overdraw_bottom_height with top_controls_layout_height.

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_impl.h"
 #include "cc/test/fake_impl_proxy.h"
@@ skipping 124 matching lines @@
 };
 
 namespace {
 
 void SetFixedContainerSizeDelta(LayerImpl* scroll_layer,
                                 const gfx::Vector2d& delta) {
   DCHECK(scroll_layer);
   DCHECK(scroll_layer->scrollable());
 
   LayerImpl* container_layer = scroll_layer->scroll_clip_layer();
-  gfx::Size container_size(container_layer->bounds());
-  gfx::Size new_container_size(container_size.width() + delta.x(),
-                               container_size.height() + delta.y());
-  container_layer->SetTemporaryImplBounds(new_container_size);
+  container_layer->SetBoundsDelta(delta);
 }
 }  // namespace
 
 TEST_F(LayerPositionConstraintTest,
      ScrollCompensationForFixedPositionLayerWithDirectContainer) {
   // This test checks for correct scroll compensation when the fixed-position
   // container is the direct parent of the fixed-position layer.
   LayerImpl* child = scroll_->children()[0];
   LayerImpl* grand_child = child->children()[0];
 
@@ skipping 993 matching lines @@
                                   fixed_to_container1->draw_transform());
 
   EXPECT_TRANSFORMATION_MATRIX_EQ(expected_container2_transform,
                                   container2->draw_transform());
 
   EXPECT_TRANSFORMATION_MATRIX_EQ(expected_fixed_to_container2_transform,
                                   fixed_to_container2->draw_transform());
 }
 }  // namespace
 }  // namespace cc