Sky shouldn't crash on device rotate

mojo/converters/geometry/geometry_type_converters.h

Index: mojo/converters/geometry/geometry_type_converters.h
diff --git a/mojo/converters/geometry/geometry_type_converters.h b/mojo/converters/geometry/geometry_type_converters.h
index 988bfadd3e4dc7ecec4c8633c278de4b1d5c7bce..72794b05beba5a99780913ff9236dddb4681ae6a 100644
--- a/mojo/converters/geometry/geometry_type_converters.h
+++ b/mojo/converters/geometry/geometry_type_converters.h
@@ -89,6 +89,10 @@ struct MOJO_GEOMETRY_EXPORT TypeConverter<gfx::Rect, Rect> {
 
 }  // namespace mojo
 
+inline bool operator==(const mojo::Size& lhs, const mojo::Size& rhs) {
+  return lhs.width == rhs.width && lhs.height == rhs.height;
+}
+
 inline bool operator==(const gfx::Size& lhs, const mojo::Size& rhs) {
   return lhs.width() == rhs.width && lhs.height() == rhs.height;
 }
@@ -97,4 +101,16 @@ inline bool operator==(const mojo::Size& lhs, const gfx::Size& rhs) {
   return rhs == lhs;
 }
 
+inline bool operator!=(const mojo::Size& lhs, const mojo::Size& rhs) {
+  return !(lhs == rhs);
+}
+
+inline bool operator!=(const gfx::Size& lhs, const mojo::Size& rhs) {
+  return !(lhs == rhs);
+}
+
+inline bool operator!=(const mojo::Size& lhs, const gfx::Size& rhs) {
+  return !(lhs == rhs);
+}
+
 #endif  // MOJO_CONVERTERS_GEOMETRY_GEOMETRY_TYPE_CONVERTERS_H_