Bug 1384834 (part 3) - Remove nsAdopting[C]String. r=erahm.

xpcom/string/nsTString.cpp

@@ -4,33 +4,6 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-nsTAdoptingString_CharT&
-nsTAdoptingString_CharT::operator=(const self_type& str)
-{
-  // This'll violate the constness of this argument, that's just
-  // the nature of this class...
-  self_type* mutable_str = const_cast<self_type*>(&str);
-
-  if (str.mDataFlags & DataFlags::OWNED) {
-    // We want to do what Adopt() does, but without actually incrementing
-    // the Adopt count.  Note that we can be a little more straightforward
-    // about this than Adopt() is, because we know that str.mData is
-    // non-null.  Should we be able to assert that str is not void here?
-    NS_ASSERTION(str.mData, "String with null mData?");
-    Finalize();
-    SetData(str.mData, str.mLength, DataFlags::TERMINATED | DataFlags::OWNED);
-
-    // Make str forget the buffer we just took ownership of.
-    new (mutable_str) self_type();
-  } else {
-    Assign(str);
-
-    mutable_str->Truncate();
-  }
-
-  return *this;
-}
-
 void
 nsTString_CharT::Rebind(const char_type* data, size_type length)
 {