Remove unused external typed data factories.

runtime/vm/os_linux.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include "vm/os.h"
 
 #include <errno.h>  // NOLINT
@@ skipping 170 matching lines @@
     UNREACHABLE();
     return -1;
   }
   int64_t result = ts.tv_sec;
   result *= kMicrosecondsPerSecond;
   result += (ts.tv_nsec / kNanosecondsPerMicrosecond);
   return result;
 }
 
 
-void* OS::AlignedAllocate(intptr_t size, intptr_t alignment) {
-  const int kMinimumAlignment = 16;
-  ASSERT(Utils::IsPowerOfTwo(alignment));
-  ASSERT(alignment >= kMinimumAlignment);
-  void* p = memalign(alignment, size);
-  if (p == NULL) {
-    UNREACHABLE();
-  }
-  return p;
-}
-
-
-void OS::AlignedFree(void* ptr) {
-  free(ptr);
-}
-
-
 // TODO(5411554):  May need to hoist these architecture dependent code
 // into a architecture specific file e.g: os_ia32_linux.cc
 intptr_t OS::ActivationFrameAlignment() {
 #if defined(TARGET_ARCH_IA32) ||                                               \
     defined(TARGET_ARCH_X64) ||                                                \
     defined(TARGET_ARCH_ARM64) ||                                              \
     defined(TARGET_ARCH_DBC)
   const int kMinimumAlignment = 16;
 #elif defined(TARGET_ARCH_ARM) || defined(TARGET_ARCH_MIPS)
   const int kMinimumAlignment = 8;
@@ skipping 216 matching lines @@
 }
 
 
 void OS::Exit(int code) {
   exit(code);
 }
 
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)