Disentangle assembler from isolate.

test/cctest/test-run-wasm-relocation-ia32.cc

Index: test/cctest/test-run-wasm-relocation-ia32.cc
diff --git a/test/cctest/test-run-wasm-relocation-ia32.cc b/test/cctest/test-run-wasm-relocation-ia32.cc
index 0b3f06156839f8e3e3f4a3e1221dbe9acf60520b..79186b9735522c3d47c4482e2078a570bfc99687 100644
--- a/test/cctest/test-run-wasm-relocation-ia32.cc
+++ b/test/cctest/test-run-wasm-relocation-ia32.cc
@@ -63,7 +63,7 @@ TEST(WasmRelocationIa32MemoryReference) {
   for (RelocIterator it(*code, mode_mask); !it.done(); it.next()) {
     DCHECK(RelocInfo::IsWasmMemoryReference(it.rinfo()->rmode()));
     it.rinfo()->update_wasm_memory_reference(
-        it.rinfo()->wasm_memory_reference(),
+        isolate, it.rinfo()->wasm_memory_reference(),
         it.rinfo()->wasm_memory_reference() + offset, SKIP_ICACHE_FLUSH);
   }
 
@@ -125,7 +125,7 @@ TEST(WasmRelocationIa32MemorySizeReference) {
   for (RelocIterator it(*code, mode_mask); !it.done(); it.next()) {
     DCHECK(RelocInfo::IsWasmMemorySizeReference(it.rinfo()->rmode()));
     it.rinfo()->update_wasm_memory_size(
-        it.rinfo()->wasm_memory_size_reference(),
+        isolate, it.rinfo()->wasm_memory_size_reference(),
         it.rinfo()->wasm_memory_size_reference() + offset, SKIP_ICACHE_FLUSH);
   }