Replace CollectVariables with locals(), update callsites to walk locals instead

src/contexts.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/contexts.h"
 
 #include "src/bootstrapper.h"
 #include "src/debug/debug.h"
 #include "src/isolate-inl.h"
 
@@ skipping 369 matching lines @@
     }
   } while (follow_context_chain);
 
   if (FLAG_trace_contexts) {
     PrintF("=> no property/slot found\n");
   }
   return Handle<Object>::null();
 }
 
 
-void Context::InitializeGlobalSlots() {
-  DCHECK(IsScriptContext());
-  DisallowHeapAllocation no_gc;
-
-  ScopeInfo* scope_info = this->scope_info();
-
-  int context_globals = scope_info->ContextGlobalCount();
-  if (context_globals > 0) {
-    PropertyCell* empty_cell = GetHeap()->empty_property_cell();
-
-    int context_locals = scope_info->ContextLocalCount();
-    int index = Context::MIN_CONTEXT_SLOTS + context_locals;
-    for (int i = 0; i < context_globals; i++) {
-      set(index++, empty_cell);
-    }
-  }
-}
-
-
 void Context::AddOptimizedFunction(JSFunction* function) {
   DCHECK(IsNativeContext());
   Isolate* isolate = GetIsolate();
 #ifdef ENABLE_SLOW_DCHECKS
   if (FLAG_enable_slow_asserts) {
     Object* element = get(OPTIMIZED_FUNCTIONS_LIST);
     while (!element->IsUndefined(isolate)) {
       CHECK(element != function);
       element = JSFunction::cast(element)->next_function_link();
     }
@@ skipping 155 matching lines @@
 
   int previous_value = errors_thrown()->value();
   set_errors_thrown(Smi::FromInt(previous_value + 1));
 }
 
 
 int Context::GetErrorsThrown() { return errors_thrown()->value(); }
 
 }  // namespace internal
 }  // namespace v8