Remove NaCl support.

src/base/platform/platform-aix.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Platform specific code for AIX goes here. For the POSIX comaptible parts
 // the implementation is in platform-posix.cc.
 
 #include <pthread.h>
 #include <semaphore.h>
 #include <signal.h>
@@ skipping 197 matching lines @@
   void* result = mmapHelper(size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS,
                             kMmapFd, kMmapFdOffset);
 
   if (result == MAP_FAILED) return NULL;
 
   return result;
 }
 
 
 bool VirtualMemory::CommitRegion(void* base, size_t size, bool is_executable) {
-#if defined(__native_client__)
-  // The Native Client port of V8 uses an interpreter,
-  // so code pages don't need PROT_EXEC.
-  int prot = PROT_READ | PROT_WRITE;
-#else
   int prot = PROT_READ | PROT_WRITE | (is_executable ? PROT_EXEC : 0);
-#endif
+
   if (mprotect(base, size, prot) == -1) return false;
 
   return true;
 }
 
 
 bool VirtualMemory::UncommitRegion(void* base, size_t size) {
   return mprotect(base, size, PROT_NONE) != -1;
 }
 
 bool VirtualMemory::ReleasePartialRegion(void* base, size_t size,
                                          void* free_start, size_t free_size) {
   return munmap(free_start, free_size) == 0;
 }
 
 
 bool VirtualMemory::ReleaseRegion(void* base, size_t size) {
   return munmap(base, size) == 0;
 }
 
 
 bool VirtualMemory::HasLazyCommits() { return true; }
 }  // namespace base
 }  // namespace v8