Remove inline header includes from non-inline headers (2).

src/compiler/js-type-feedback-lowering.h

 // Copyright 2015 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.
 
 #ifndef V8_COMPILER_JS_TYPE_FEEDBACK_LOWERING_H_
 #define V8_COMPILER_JS_TYPE_FEEDBACK_LOWERING_H_
 
 #include "src/base/flags.h"
 #include "src/compiler/graph-reducer.h"
 #include "src/compiler/simplified-operator.h"
 
 namespace v8 {
 namespace internal {
+
+// Forward declarations.
+class Factory;
+
 namespace compiler {
 
 // Forward declarations.
 class CommonOperatorBuilder;
 class JSGraph;
 class MachineOperatorBuilder;
 
 
 // Lowers JS-level operators to simplified operators based on type feedback.
 class JSTypeFeedbackLowering final : public AdvancedReducer {
@@ skipping 29 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(JSTypeFeedbackLowering);
 };
 
 DEFINE_OPERATORS_FOR_FLAGS(JSTypeFeedbackLowering::Flags)
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_TYPE_FEEDBACK_LOWERING_H_