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ajwong@chromium.org authored
Add Pass(), which implements move semantics, to scoped_ptr, scoped_array, and scoped_ptr_malloc. This modification to the scopers implements the "moveable but not copyable" semantics that were introduced in C++11's unique_ptr<>. With this, is now possible to use scopers as an argument type or a return type. This signifies, in the type system, transfer of ownership into a function or out of a function respectively. Calling, or returning such a function MUST use the temporary resultin This distinction makes it possible to avoid the implicit ownership transfer issues of auto_ptr, but still allow us to have compiler enforced ownership transfer. Also adds a Passed() helper that allows using a scoper with Bind(). BUG=96118 TEST=new unittests Original review URL: http://codereview.chromium.org/8774032 Review URL: http://codereview.chromium.org/8897005 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113922 0039d316-1c4b-4281-b951-d872f2087c98
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