[wasm] Change the constant kV8MaxWasmMemoryPages to a command line flag.

src/wasm/wasm-limits.h

Index: src/wasm/wasm-limits.h
diff --git a/src/wasm/wasm-limits.h b/src/wasm/wasm-limits.h
index 40b89932607188f8f6f1865556cc86f2312df853..c1cd895cd131a16f2ca05ffd22d1f66e0240c316 100644
--- a/src/wasm/wasm-limits.h
+++ b/src/wasm/wasm-limits.h
@@ -17,7 +17,8 @@ const size_t kV8MaxWasmImports = 100000;
 const size_t kV8MaxWasmExports = 100000;
 const size_t kV8MaxWasmGlobals = 1000000;
 const size_t kV8MaxWasmDataSegments = 100000;
-const size_t kV8MaxWasmMemoryPages = 16384;  // = 1 GiB
+// kV8MaxWasmMemoryPages is defined by FLAG_wasm_max_mem_pages
+// const size_t kV8MaxWasmMemoryPages = 16384;  // = 1 GiB
 const size_t kV8MaxWasmStringSize = 100000;
 const size_t kV8MaxWasmModuleSize = 1024 * 1024 * 1024;  // = 1 GiB
 const size_t kV8MaxWasmFunctionSize = 128 * 1024;