Fix NaCl regression caused by pepper revision 28.

src/deoptimizer.cc

Index: src/deoptimizer.cc
diff --git a/src/deoptimizer.cc b/src/deoptimizer.cc
index 5f59fd9ab05584e96fec88e23ed8598ab5a0bc9b..428495027276a34605e137000c0f0380b64a277d 100644
--- a/src/deoptimizer.cc
+++ b/src/deoptimizer.cc
@@ -43,7 +43,13 @@ namespace internal {
 static MemoryChunk* AllocateCodeChunk(MemoryAllocator* allocator) {
   return allocator->AllocateChunk(Deoptimizer::GetMaxDeoptTableSize(),
                                   OS::CommitPageSize(),
+#if defined(__native_client__)
+  // The Native Client port of V8 uses an interpreter,
+  // so code pages don't need PROT_EXEC.
+                                  NOT_EXECUTABLE,
+#else
                                   EXECUTABLE,
+#endif
                                   NULL);
 }