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

ppapi/cpp/dev/buffer_dev.cc

Index: ppapi/cpp/dev/buffer_dev.cc
===================================================================
--- ppapi/cpp/dev/buffer_dev.cc	(revision 67885)
+++ ppapi/cpp/dev/buffer_dev.cc	(working copy)
@@ -40,16 +40,11 @@
 }
 
 Buffer_Dev& Buffer_Dev::operator=(const Buffer_Dev& other) {
-  Buffer_Dev copy(other);
-  swap(copy);
+  Resource::operator=(other);
+  size_ = other.size_;
+  data_ = other.data_;
   return *this;
 }
 
-void Buffer_Dev::swap(Buffer_Dev& other) {
-  Resource::swap(other);
-  std::swap(size_, other.size_);
-  std::swap(data_, other.data_);
-}
-
 }  // namespace pp