Added a version of the v8::HandleScope constructor with an Isolate and use that consistently.

test/cctest/test-disasm-ia32.cc

Index: test/cctest/test-disasm-ia32.cc
diff --git a/test/cctest/test-disasm-ia32.cc b/test/cctest/test-disasm-ia32.cc
index 49e67388b731edbc60fe200f89cbde4d82fc5612..8240a9546d22b2eff4ddd392004bbb541d81034b 100644
--- a/test/cctest/test-disasm-ia32.cc
+++ b/test/cctest/test-disasm-ia32.cc
@@ -56,9 +56,10 @@ static void DummyStaticFunction(Object* result) {
 
 TEST(DisasmIa320) {
   InitializeVM();
-  v8::HandleScope scope;
+  Isolate* isolate = reinterpret_cast<Isolate*>(env->GetIsolate());
+  HandleScope scope(isolate);
   v8::internal::byte buffer[2048];
-  Assembler assm(Isolate::Current(), buffer, sizeof buffer);
+  Assembler assm(isolate, buffer, sizeof buffer);
   DummyStaticFunction(NULL);  // just bloody use it (DELETE; debugging)
 
   // Short immediate instructions
@@ -270,8 +271,7 @@ TEST(DisasmIa320) {
   __ bind(&L2);
   __ call(Operand(ebx, ecx, times_4, 10000));
   __ nop();
-  Handle<Code> ic(Isolate::Current()->builtins()->builtin(
-      Builtins::kLoadIC_Initialize));
+  Handle<Code> ic(isolate->builtins()->builtin(Builtins::kLoadIC_Initialize));
   __ call(ic, RelocInfo::CODE_TARGET);
   __ nop();
   __ call(FUNCTION_ADDR(DummyStaticFunction), RelocInfo::RUNTIME_ENTRY);
@@ -281,8 +281,7 @@ TEST(DisasmIa320) {
   __ jmp(Operand(ebx, ecx, times_4, 10000));
 #ifdef ENABLE_DEBUGGER_SUPPORT
   ExternalReference after_break_target =
-      ExternalReference(Debug_Address::AfterBreakTarget(),
-                        assm.isolate());
+      ExternalReference(Debug_Address::AfterBreakTarget(), isolate);
   __ jmp(Operand::StaticVariable(after_break_target));
 #endif  // ENABLE_DEBUGGER_SUPPORT
   __ jmp(ic, RelocInfo::CODE_TARGET);
@@ -459,7 +458,6 @@ TEST(DisasmIa320) {
 
   CodeDesc desc;
   assm.GetCode(&desc);
-  Isolate* isolate = Isolate::Current();
   Object* code = isolate->heap()->CreateCode(
       desc,
       Code::ComputeFlags(Code::STUB),