Make tool_output_file's raw_ostream instance a member variable instead

of a base class.

This makes it possible to unregister the file from FilesToRemove when
the file is done. Also, this eliminates the need for
formatted_tool_output_file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112706 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Support/FormattedStream.cpp

@@ -98,6 +98,3 @@ formatted_raw_ostream &llvm::fdbgs() {
   static formatted_raw_ostream S(dbgs());
   return S;
 }
-
-/// ~formatted_tool_output_file - Out-of-line destructor.
-formatted_tool_output_file::~formatted_tool_output_file() {}