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

src/arm64/disasm-arm64.h

Index: src/arm64/disasm-arm64.h
diff --git a/src/arm64/disasm-arm64.h b/src/arm64/disasm-arm64.h
index cd43af36eac57adf000554b53e23161213592112..4b477bc438e8f181aa70a568ab650c7e23d052a9 100644
--- a/src/arm64/disasm-arm64.h
+++ b/src/arm64/disasm-arm64.h
@@ -14,11 +14,11 @@ 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.
@@ -73,7 +73,7 @@ class Disassembler: public DecoderVisitor {
 };
 
 
-class PrintDisassembler: public Disassembler {
+class PrintDisassembler : public DisassemblingDecoder {
  public:
   explicit PrintDisassembler(FILE* stream) : stream_(stream) { }
   ~PrintDisassembler() { }