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

cc/layers/video_layer_impl.cc

 // Copyright 2011 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/video_layer_impl.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "cc/layers/video_frame_provider_client_impl.h"
 #include "cc/quads/io_surface_draw_quad.h"
@@ skipping 345 matching lines @@
   frame_ = nullptr;
 
   provider_client_impl_->ReleaseLock();
 }
 
 void VideoLayerImpl::ReleaseResources() {
   updater_ = nullptr;
 }
 
 void VideoLayerImpl::SetNeedsRedraw() {
-  SetUpdateRect(gfx::UnionRects(update_rect(), gfx::RectF(bounds())));
+  SetUpdateRect(gfx::UnionRects(update_rect(), gfx::Rect(bounds())));
   layer_tree_impl()->SetNeedsRedraw();
 }
 
 void VideoLayerImpl::SetProviderClientImpl(
     scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl) {
   provider_client_impl_ = provider_client_impl;
 }
 
 const char* VideoLayerImpl::LayerTypeAsString() const {
   return "cc::VideoLayerImpl";
 }
 
 }  // namespace cc