Rebased PNaCl localmods in LLVM to 223109

unittests/Support/StreamingMemoryObject.cpp

 //===- llvm/unittest/Support/StreamingMemoryObject.cpp - unit tests -------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/StreamingMemoryObject.h"
 #include "gtest/gtest.h"
 
 #include <string.h>
 
 using namespace llvm;
 
 namespace {
 class NullDataStreamer : public DataStreamer {
   size_t GetBytes(unsigned char *buf, size_t len) override {
     memset(buf, 0, len);
     return len;
   }
 };
 }
 
 TEST(StreamingMemoryObject, Test) {
   auto *DS = new NullDataStreamer();
-  StreamingMemoryObject O(DS);
+  // @LOCALMOD -- Separated StreamingMemoryObject into interface + Impl.
+  StreamingMemoryObjectImpl O(DS);
   EXPECT_TRUE(O.isValidAddress(32 * 1024));
 }