[compiler] Deprecate CompilationInfo::has_context predicate.

src/compiler/code-generator.cc

Index: src/compiler/code-generator.cc
diff --git a/src/compiler/code-generator.cc b/src/compiler/code-generator.cc
index 086da560e4fcd80ecf3a322f987c85ecc82df132..0773ae081011d8df4644e29583bba7902fb43367 100644
--- a/src/compiler/code-generator.cc
+++ b/src/compiler/code-generator.cc
@@ -274,8 +274,7 @@ void CodeGenerator::RecordSafepoint(ReferenceMap* references,
 bool CodeGenerator::IsMaterializableFromFrame(Handle<HeapObject> object,
                                               int* slot_return) {
   if (linkage()->GetIncomingDescriptor()->IsJSFunctionCall()) {
-    if (info()->has_context() && object.is_identical_to(info()->context()) &&
-        !info()->is_osr()) {
+    if (object.is_identical_to(info()->context()) && !info()->is_osr()) {
       *slot_return = Frame::kContextSlot;
       return true;
     } else if (object.is_identical_to(info()->closure())) {