Fix assert in GetOverlayRect when transforming video with Ozone overlay

cc/output/overlay_candidate.cc

 // Copyright 2014 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/output/overlay_candidate.h"
 
 #include <algorithm>
 #include "base/logging.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 
@@ skipping 110 matching lines @@
         default:
           return gfx::OVERLAY_TRANSFORM_INVALID;
       }
       break;
     default:
       return gfx::OVERLAY_TRANSFORM_INVALID;
   }
 }
 
 // static
-gfx::Rect OverlayCandidate::GetOverlayRect(const gfx::Transform& quad_transform,
-                                           const gfx::Rect& rect) {
+gfx::RectF OverlayCandidate::GetOverlayRect(
+    const gfx::Transform& quad_transform,
+    const gfx::Rect& rect) {
   DCHECK(quad_transform.IsPositiveScaleOrTranslation());
 
   gfx::RectF float_rect(rect);
   quad_transform.TransformRect(&float_rect);
-  return gfx::ToNearestRect(float_rect);
+  return float_rect;
 }
 
 }  // namespace cc