Implement Wasm GrowMemory opcode as a wasm runtime call

test/mjsunit/wasm/wasm-constants.js

Index: test/mjsunit/wasm/wasm-constants.js
diff --git a/test/mjsunit/wasm/wasm-constants.js b/test/mjsunit/wasm/wasm-constants.js
index 319cadc0237468412bc0f0d5842cbe38ba663810..5f0abb8325b082f17340825ad625eeea4886d750 100644
--- a/test/mjsunit/wasm/wasm-constants.js
+++ b/test/mjsunit/wasm/wasm-constants.js
@@ -312,6 +312,7 @@ var kTrapRemByZero            = 4;
 var kTrapFloatUnrepresentable = 5;
 var kTrapFuncInvalid          = 6;
 var kTrapFuncSigMismatch      = 7;
+var kTrapMemAllocationFail    = 8;

[ahaas, 2016/06/24 11:10:15]

where do you use this trap?

[gdeepti, 2016/06/27 19:55:12]

Added here to keep wasm errors in sync with messages.h and used in
https://codereview.chromium.org/2051043002/diff/490001/test/mjsunit/wasm/grow...
to check for allocation fails. 

 
 var kTrapMsgs = [
   "unreachable",
@@ -321,7 +322,8 @@ var kTrapMsgs = [
   "remainder by zero",
   "integer result unrepresentable",
   "invalid function",
-  "function signature mismatch"
+  "function signature mismatch",
+  "failed to allocate memory"
 ];
 
 function assertTraps(trap, code) {