Remove deprecated functions from Canvas in favor of the RectF version.

ui/gfx/canvas.cc

Index: ui/gfx/canvas.cc
diff --git a/ui/gfx/canvas.cc b/ui/gfx/canvas.cc
index b2d90aec4189b22975350b0e57b77b7da60858c9..7a206c5e9c6a64744e64d63f40240f306d910388 100644
--- a/ui/gfx/canvas.cc
+++ b/ui/gfx/canvas.cc
@@ -115,10 +115,6 @@ ImageSkiaRep Canvas::ExtractImageRep() const {
   return ImageSkiaRep(result, image_scale_);
 }
 
-void Canvas::DrawDashedRect(const Rect& rect, SkColor color) {
-  DrawDashedRect(RectF(rect), color);
-}
-
 void Canvas::DrawDashedRect(const RectF& rect, SkColor color) {
   if (rect.IsEmpty())
     return;
@@ -242,18 +238,10 @@ void Canvas::FillRect(const Rect& rect, SkColor color, SkBlendMode mode) {
   DrawRect(rect, flags);
 }
 
-void Canvas::DrawRect(const Rect& rect, SkColor color) {
-  DrawRect(RectF(rect), color);
-}
-
 void Canvas::DrawRect(const RectF& rect, SkColor color) {
   DrawRect(rect, color, SkBlendMode::kSrcOver);
 }
 
-void Canvas::DrawRect(const Rect& rect, SkColor color, SkBlendMode mode) {
-  DrawRect(RectF(rect), color, mode);
-}
-
 void Canvas::DrawRect(const RectF& rect, SkColor color, SkBlendMode mode) {
   cc::PaintFlags flags;
   flags.setColor(color);