Remove unused member variable TranslatedFrame::isolate_

Recent Clang versions (r317076+) warn about this.

Bug: chromium:780523
Change-Id: Iccc8d675ce4700f67dedfaa60bc6662b03b55ceb
Reviewed-on: https://chromium-review.googlesource.com/749117Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Hans Wennborg <hans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49066}

src/deoptimizer.cc

@@ -2814,8 +2814,7 @@ void TranslatedValue::Handlify() {
 
 TranslatedFrame TranslatedFrame::InterpretedFrame(
     BailoutId bytecode_offset, SharedFunctionInfo* shared_info, int height) {
-  TranslatedFrame frame(kInterpretedFunction, shared_info->GetIsolate(),
-                        shared_info, height);
+  TranslatedFrame frame(kInterpretedFunction, shared_info, height);
   frame.node_id_ = bytecode_offset;
   return frame;
 }
@@ -2824,36 +2823,32 @@ TranslatedFrame TranslatedFrame::InterpretedFrame(
 TranslatedFrame TranslatedFrame::AccessorFrame(
     Kind kind, SharedFunctionInfo* shared_info) {
   DCHECK(kind == kSetter || kind == kGetter);
-  return TranslatedFrame(kind, shared_info->GetIsolate(), shared_info);
+  return TranslatedFrame(kind, shared_info);
 }
 
 
 TranslatedFrame TranslatedFrame::ArgumentsAdaptorFrame(
     SharedFunctionInfo* shared_info, int height) {
-  return TranslatedFrame(kArgumentsAdaptor, shared_info->GetIsolate(),
-                         shared_info, height);
+  return TranslatedFrame(kArgumentsAdaptor, shared_info, height);
 }
 
 TranslatedFrame TranslatedFrame::ConstructStubFrame(
     BailoutId bailout_id, SharedFunctionInfo* shared_info, int height) {
-  TranslatedFrame frame(kConstructStub, shared_info->GetIsolate(), shared_info,
-                        height);
+  TranslatedFrame frame(kConstructStub, shared_info, height);
   frame.node_id_ = bailout_id;
   return frame;
 }
 
 TranslatedFrame TranslatedFrame::BuiltinContinuationFrame(
     BailoutId bailout_id, SharedFunctionInfo* shared_info, int height) {
-  TranslatedFrame frame(kBuiltinContinuation, shared_info->GetIsolate(),
-                        shared_info, height);
+  TranslatedFrame frame(kBuiltinContinuation, shared_info, height);
   frame.node_id_ = bailout_id;
   return frame;
 }
 
 TranslatedFrame TranslatedFrame::JavaScriptBuiltinContinuationFrame(
     BailoutId bailout_id, SharedFunctionInfo* shared_info, int height) {
-  TranslatedFrame frame(kJavaScriptBuiltinContinuation,
-                        shared_info->GetIsolate(), shared_info, height);
+  TranslatedFrame frame(kJavaScriptBuiltinContinuation, shared_info, height);
   frame.node_id_ = bailout_id;
   return frame;
 }

src/deoptimizer.h

@@ -205,14 +205,12 @@ class TranslatedFrame {
 
   static void AdvanceIterator(std::deque<TranslatedValue>::iterator* iter);
 
-  TranslatedFrame(Kind kind, Isolate* isolate,
-                  SharedFunctionInfo* shared_info = nullptr, int height = 0)
+  TranslatedFrame(Kind kind, SharedFunctionInfo* shared_info = nullptr,
+                  int height = 0)
       : kind_(kind),
         node_id_(BailoutId::None()),
         raw_shared_info_(shared_info),
-        height_(height),
-        isolate_(isolate) {}
-
+        height_(height) {}
 
   void Add(const TranslatedValue& value) { values_.push_back(value); }
   void Handlify();
@@ -222,7 +220,6 @@ class TranslatedFrame {
   SharedFunctionInfo* raw_shared_info_;
   Handle<SharedFunctionInfo> shared_info_;
   int height_;
-  Isolate* isolate_;
 
   typedef std::deque<TranslatedValue> ValuesContainer;