Tweaks to ToggleButton details.

ui/gfx/geometry/insets.cc

Index: ui/gfx/geometry/insets.cc
diff --git a/ui/gfx/geometry/insets.cc b/ui/gfx/geometry/insets.cc
index 1342a9d4dbc72039684885b3cd3f7b73ace8532c..2e6c8c77c3591aa02f4aa7ec92da71373a340f3f 100644
--- a/ui/gfx/geometry/insets.cc
+++ b/ui/gfx/geometry/insets.cc
@@ -5,6 +5,7 @@
 #include "ui/gfx/geometry/insets.h"
 
 #include "base/strings/stringprintf.h"
+#include "ui/gfx/geometry/vector2d.h"
 
 namespace gfx {
 
@@ -13,4 +14,9 @@ std::string Insets::ToString() const {
   return base::StringPrintf("%d,%d,%d,%d", top(),  left(), bottom(), right());
 }
 
+Insets operator+(const Insets& insets, const gfx::Vector2d& vector) {
+  return gfx::Insets(insets.top() + vector.y(), insets.left() + vector.x(),
+                     insets.bottom() - vector.y(), insets.right() - vector.x());
+}
+
 }  // namespace gfx