Reland 'Simplify TurboFan's c1visualizer file handling.'

src/compiler/pipeline.h

 // Copyright 2014 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_PIPELINE_H_
 #define V8_COMPILER_PIPELINE_H_
 
-#include <fstream>  // NOLINT(readability/streams)
-
 #include "src/v8.h"
 
 #include "src/compiler.h"
 
 // Note: TODO(turbofan) implies a performance improvement opportunity,
 //   and TODO(name) implies an incomplete implementation
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 27 matching lines @@
   static void TearDown();
 
  private:
   CompilationInfo* info_;
 
   CompilationInfo* info() const { return info_; }
   Isolate* isolate() { return info_->isolate(); }
   Zone* zone() { return info_->zone(); }
 
   Schedule* ComputeSchedule(ZonePool* zone_pool, Graph* graph);
-  void OpenTurboCfgFile(std::ofstream* stream);
-  void PrintCompilationStart();
-  void PrintScheduleAndInstructions(const char* phase, const Schedule* schedule,
-                                    const SourcePositionTable* positions,
-                                    const InstructionSequence* instructions);
-  void PrintAllocator(const char* phase, const RegisterAllocator* allocator);
   void VerifyAndPrintGraph(Graph* graph, const char* phase,
                            bool untyped = false);
   Handle<Code> GenerateCode(PipelineStatistics* pipeline_statistics,
                             ZonePool* zone_pool, Linkage* linkage, Graph* graph,
                             Schedule* schedule,
                             SourcePositionTable* source_positions);
 };
 }
 }
 }  // namespace v8::internal::compiler
 
 #endif  // V8_COMPILER_PIPELINE_H_