Subzero. Fixes Browser build.

BUG=
R=stichnot@chromium.org

Review URL: https://codereview.chromium.org/1856323004 .

src/WasmTranslator.cpp

diff --git a/src/WasmTranslator.cpp b/src/WasmTranslator.cpp
index 4773526..b42ad77 100644
--- a/src/WasmTranslator.cpp
+++ b/src/WasmTranslator.cpp
@@ -15,6 +15,8 @@
 ///
 //===----------------------------------------------------------------------===//
 
+#if ALLOW_WASM
+
 #include "llvm/Support/StreamingMemoryObject.h"
 
 #include "WasmTranslator.h"
@@ -813,3 +815,5 @@
 
   return;
 }
+
+#endif // ALLOW_WASM