Refactor BreakLocationIterator.

src/arm64/assembler-arm64.cc

Index: src/arm64/assembler-arm64.cc
diff --git a/src/arm64/assembler-arm64.cc b/src/arm64/assembler-arm64.cc
index bba78c89e47441f0f901b2e55729bf13b5b26556..93d1d25a6c7747628d51c0c4466432ad9e749fd8 100644
--- a/src/arm64/assembler-arm64.cc
+++ b/src/arm64/assembler-arm64.cc
@@ -188,26 +188,6 @@ bool RelocInfo::IsInConstantPool() {
 }
 
 
-void RelocInfo::PatchCode(byte* instructions, int instruction_count) {
-  // Patch the code at the current address with the supplied instructions.
-  Instr* pc = reinterpret_cast<Instr*>(pc_);
-  Instr* instr = reinterpret_cast<Instr*>(instructions);
-  for (int i = 0; i < instruction_count; i++) {
-    *(pc + i) = *(instr + i);
-  }
-
-  // Indicate that code has changed.
-  CpuFeatures::FlushICache(pc_, instruction_count * kInstructionSize);
-}
-
-
-// Patch the code at the current PC with a call to the target address.
-// Additional guard instructions can be added if required.
-void RelocInfo::PatchCodeWithCall(Address target, int guard_bytes) {
-  UNIMPLEMENTED();
-}
-
-
 Register GetAllocatableRegisterThatIsNotOneOf(Register reg1, Register reg2,
                                               Register reg3, Register reg4) {
   CPURegList regs(reg1, reg2, reg3, reg4);