cc: Stop converting update rect from int to float to int.

cc/layers/layer_perftest.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.h"
 
 #include "cc/debug/lap_timer.h"
 #include "cc/resources/layer_painter.h"
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host.h"
@@ skipping 57 matching lines @@
   float transform_origin_z = 0;
   bool scrollable = true;
   bool contents_opaque = true;
   bool double_sided = true;
   bool hide_layer_and_subtree = true;
   bool masks_to_bounds = true;
 
   // Properties changed.
   timer_.Reset();
   do {
-    test_layer->SetNeedsDisplayRect(gfx::RectF(0.f, 0.f, 5.f, 5.f));
+    test_layer->SetNeedsDisplayRect(gfx::Rect(5, 5));
     test_layer->SetTransformOrigin(gfx::Point3F(0.f, 0.f, transform_origin_z));
     test_layer->SetContentsOpaque(contents_opaque);
     test_layer->SetDoubleSided(double_sided);
     test_layer->SetHideLayerAndSubtree(hide_layer_and_subtree);
     test_layer->SetMasksToBounds(masks_to_bounds);
     test_layer->SetScrollClipLayerId(scrollable ? test_layer->id()
                                                 : Layer::INVALID_ID);
     test_layer->PushPropertiesTo(impl_layer.get());
 
     transform_origin_z += 0.01f;
@@ skipping 24 matching lines @@
                          "",
                          "props_didnt_change",
                          timer_.LapsPerSecond(),
                          "runs/s",
                          true);
 }
 
 
 }  // namespace
 }  // namespace cc