cc: Remove implicit conversions from Rect to RectF in src/cc/.

cc/trees/draw_property_utils.cc

Index: cc/trees/draw_property_utils.cc
diff --git a/cc/trees/draw_property_utils.cc b/cc/trees/draw_property_utils.cc
index 2481e2dc14bfc69580acbdcfabac8f012e1aab22..a91fc4d11b0f1c1c581dac80ba1a6683e2f561d3 100644
--- a/cc/trees/draw_property_utils.cc
+++ b/cc/trees/draw_property_utils.cc
@@ -862,16 +862,15 @@ bool CanUseLcdTextFromPropertyTrees(const LayerImpl* layer,
 gfx::Rect DrawableContentRectOfSurfaceFromPropertyTrees(
     const RenderSurfaceImpl* render_surface,
     const TransformTree& transform_tree) {
-  gfx::Rect drawable_content_rect =
-      gfx::ToEnclosingRect(MathUtil::MapClippedRect(
-          DrawTransformOfRenderSurfaceFromPropertyTrees(render_surface,
-                                                        transform_tree),
-          render_surface->content_rect_from_property_trees()));
+  gfx::Rect drawable_content_rect = MathUtil::MapEnclosingClippedRect(
+      DrawTransformOfRenderSurfaceFromPropertyTrees(render_surface,
+                                                    transform_tree),
+      render_surface->content_rect_from_property_trees());
   if (render_surface->HasReplica()) {
-    drawable_content_rect.Union(gfx::ToEnclosingRect(MathUtil::MapClippedRect(
+    drawable_content_rect.Union(MathUtil::MapEnclosingClippedRect(
         DrawTransformOfRenderSurfaceReplicaFromPropertyTrees(render_surface,
                                                              transform_tree),
-        render_surface->content_rect_from_property_trees())));
+        render_surface->content_rect_from_property_trees()));
   }
   return drawable_content_rect;
 }