[assembler] Introduce proper AssemblerBase::Print() for improved debuggability.

src/arm64/disasm-arm64.h

 // Copyright 2013 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_ARM64_DISASM_ARM64_H
 #define V8_ARM64_DISASM_ARM64_H
 
 #include "src/arm64/decoder-arm64.h"
 #include "src/arm64/instructions-arm64.h"
 #include "src/globals.h"
 #include "src/utils.h"
 
 namespace v8 {
 namespace internal {
 
 
-class Disassembler: public DecoderVisitor {
+class DisassemblingDecoder : public DecoderVisitor {
  public:
-  Disassembler();
-  Disassembler(char* text_buffer, int buffer_size);
-  virtual ~Disassembler();
+  DisassemblingDecoder();
+  DisassemblingDecoder(char* text_buffer, int buffer_size);
+  virtual ~DisassemblingDecoder();
   char* GetOutput();
 
   // Declare all Visitor functions.
   #define DECLARE(A)  void Visit##A(Instruction* instr);
   VISITOR_LIST(DECLARE)
   #undef DECLARE
 
  protected:
   virtual void ProcessOutput(Instruction* instr);
 
@@ skipping 34 matching lines @@
   void ResetOutput();
   void AppendToOutput(const char* string, ...);
 
   char* buffer_;
   uint32_t buffer_pos_;
   uint32_t buffer_size_;
   bool own_buffer_;
 };
 
 
-class PrintDisassembler: public Disassembler {
+class PrintDisassembler : public DisassemblingDecoder {
  public:
   explicit PrintDisassembler(FILE* stream) : stream_(stream) { }
   ~PrintDisassembler() { }
 
   virtual void ProcessOutput(Instruction* instr);
 
  private:
   FILE *stream_;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ARM64_DISASM_ARM64_H