Remove all the swap() stuff in the PPAPI C++ wrappers....

ppapi/cpp/dev/widget_dev.cc

Index: ppapi/cpp/dev/widget_dev.cc
===================================================================
--- ppapi/cpp/dev/widget_dev.cc	(revision 67885)
+++ ppapi/cpp/dev/widget_dev.cc	(working copy)
@@ -27,15 +27,10 @@
 }
 
 Widget_Dev& Widget_Dev::operator=(const Widget_Dev& other) {
-  Widget_Dev copy(other);
-  swap(copy);
+  Resource::operator=(other);
   return *this;
 }
 
-void Widget_Dev::swap(Widget_Dev& other) {
-  Resource::swap(other);
-}
-
 bool Widget_Dev::Paint(const Rect& rect, ImageData* image) {
   if (!widget_f)
     return false;