Implicit coversion operators from integer geometry types to floating point.

ui/gfx/rect.h

Index: ui/gfx/rect.h
diff --git a/ui/gfx/rect.h b/ui/gfx/rect.h
index 36f822cd353daf3e28f4932ed7a7c82113a5bb6e..0f0794875efd5788b08caee1a0dd51f2b0186d03 100644
--- a/ui/gfx/rect.h
+++ b/ui/gfx/rect.h
@@ -68,7 +68,7 @@ class UI_EXPORT Rect : public RectBase<Rect, Point, Size, Insets, int> {
   CGRect ToCGRect() const;
 #endif
 
-  RectF ToRectF() const {
+  operator RectF() const {
     return RectF(origin().x(), origin().y(), size().width(), size().height());
   }
 
@@ -77,12 +77,21 @@ class UI_EXPORT Rect : public RectBase<Rect, Point, Size, Insets, int> {
   }
 
   RectF Scale(float x_scale, float y_scale) const WARN_UNUSED_RESULT {
-    return ToRectF().Scale(x_scale, y_scale);
+    RectF original = *this;
+    return original.Scale(x_scale, y_scale);
   }
 
   std::string ToString() const;
 };
 
+inline bool operator==(const Rect& lhs, const Rect& rhs) {
+  return lhs.origin() == rhs.origin() && lhs.size() == rhs.size();
+}
+
+inline bool operator!=(const Rect& lhs, const Rect& rhs) {
+  return !(lhs == rhs);
+}
+
 #if !defined(COMPILER_MSVC)
 extern template class RectBase<Rect, Point, Size, Insets, int>;
 #endif