X87: convert disassembler to use OStream.

port r24214.

original commit message:

  convert disassembler to use OStream.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/607723003

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24235 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x87/assembler-x87.cc

@@ -1897,11 +1897,6 @@ void Assembler::setcc(Condition cc, Register reg) {
 }
 
 
-void Assembler::Print() {
-  Disassembler::Decode(isolate(), stdout, buffer_, pc_);
-}
-
-
 void Assembler::RecordJSReturn() {
   positions_recorder()->WriteRecordedPositions();
   EnsureSpace ensure_space(this);

src/x87/assembler-x87.h

@@ -916,9 +916,6 @@ class Assembler : public AssemblerBase {
 
   // TODO(lrn): Need SFENCE for movnt?
 
-  // Debugging
-  void Print();
-
   // Check the code size generated from label to here.
   int SizeOfCodeGeneratedSince(Label* label) {
     return pc_offset() - label->pos();