Make adding and subtracting gfx:: point types simpler.

ui/gfx/point.h

Index: ui/gfx/point.h
diff --git a/ui/gfx/point.h b/ui/gfx/point.h
index dfb227d190eb22afb01371d9f2ba35e12969bf27..4cfe466163ea449c43fe196fd5e03b8afb9b9c96 100644
--- a/ui/gfx/point.h
+++ b/ui/gfx/point.h
@@ -7,6 +7,7 @@
 
 #include "ui/base/ui_export.h"
 #include "ui/gfx/point_base.h"
+#include "ui/gfx/point_f.h"
 
 #if defined(OS_WIN)
 typedef unsigned long DWORD;
@@ -45,8 +46,20 @@ class UI_EXPORT Point : public PointBase<Point, int> {
 
   // Returns a string representation of point.
   std::string ToString() const;
+
+  operator PointF() const {
+    return PointF(x(), y());
+  }
 };
 
+inline Point operator+(Point lhs, Point rhs) {

[sky, 2012/10/01 21:02:20]

const Point& here (and 59).

[danakj, 2012/10/01 22:03:37]

Done.

+  return lhs.Add(rhs);
+}
+
+inline Point operator-(Point lhs, Point rhs) {
+  return lhs.Subtract(rhs);
+}
+
 #if !defined(COMPILER_MSVC)
 extern template class PointBase<Point, int>;
 #endif