ui: Remove implicit flooring in skia rect conversion methods.

ui/views/controls/tree/tree_view_views.cc

Index: ui/views/controls/tree/tree_view_views.cc
diff --git a/ui/views/controls/tree/tree_view_views.cc b/ui/views/controls/tree/tree_view_views.cc
index f24a24d06418b6d4aa0ec93ed02da162843b8404..694f8a10adfba986daf73375f795a9c9d6b6ea3a 100644
--- a/ui/views/controls/tree/tree_view_views.cc
+++ b/ui/views/controls/tree/tree_view_views.cc
@@ -15,6 +15,7 @@
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
+#include "ui/gfx/rect_conversions.h"
 #include "ui/gfx/skia_util.h"
 #include "ui/views/background.h"
 #include "ui/views/controls/scroll_view.h"
@@ -512,7 +513,9 @@ void TreeView::OnPaint(gfx::Canvas* canvas) {
   {
     SkRect sk_clip_rect;
     if (canvas->sk_canvas()->getClipBounds(&sk_clip_rect)) {
-      gfx::Rect clip_rect = gfx::SkRectToRect(sk_clip_rect);
+      // Pixels partially inside the clip rect should be included.
+      gfx::Rect clip_rect = gfx::ToEnclosingRect(
+          gfx::SkRectToRectF(sk_clip_rect));
       min_y = clip_rect.y();
       max_y = clip_rect.bottom();
     } else {