Use ScopedRTLFlipCanvas more pervasively for RTL flipping.

ui/views/view.cc

Index: ui/views/view.cc
diff --git a/ui/views/view.cc b/ui/views/view.cc
index e6d51dd2cc56b693ab36adcce0041bb033c29352..ac8031943a1d887aeebc151452a8de0157ea6bd5 100644
--- a/ui/views/view.cc
+++ b/ui/views/view.cc
@@ -841,16 +841,8 @@ void View::Paint(const ui::PaintContext& parent_context) {
   if (is_invalidated || !paint_cache_.UseCache(context, size())) {
     ui::PaintRecorder recorder(context, size(), &paint_cache_);
     gfx::Canvas* canvas = recorder.canvas();
-
-    // If the View we are about to paint requested the canvas to be flipped, we
-    // should change the transform appropriately.
-    // The canvas mirroring is undone once the View is done painting so that we
-    // don't pass the canvas with the mirrored transform to Views that didn't
-    // request the canvas to be flipped.
-    if (FlipCanvasOnPaintForRTLUI()) {
-      canvas->Translate(gfx::Vector2d(width(), 0));
-      canvas->Scale(-1, 1);
-    }
+    gfx::ScopedRTLFlipCanvas scoped_canvas(canvas, width(),
+                                           flip_canvas_on_paint_for_rtl_ui_);
 
     // Delegate painting the contents of the View to the virtual OnPaint method.
     OnPaint(canvas);