Refactor BreakLocationIterator.

src/arm64/full-codegen-arm64.cc

Index: src/arm64/full-codegen-arm64.cc
diff --git a/src/arm64/full-codegen-arm64.cc b/src/arm64/full-codegen-arm64.cc
index 083a8350320c0d495ae696b4a4dd8ddda1f7b8a5..3edd4112044140c32b3b3f976ca6a5d6a013c900 100644
--- a/src/arm64/full-codegen-arm64.cc
+++ b/src/arm64/full-codegen-arm64.cc
@@ -456,10 +456,10 @@ void FullCodeGenerator::EmitReturnSequence() {
 
     // Make sure that the constant pool is not emitted inside of the return
     // sequence. This sequence can get patched when the debugger is used. See
-    // debug-arm64.cc:BreakLocationIterator::SetDebugBreakAtReturn().
+    // debug-arm64.cc:BreakLocation::SetDebugBreakAtReturn().
     {
       InstructionAccurateScope scope(masm_,
-                                     Assembler::kJSRetSequenceInstructions);
+                                     Assembler::kJSReturnSequenceInstructions);
       CodeGenerator::RecordPositions(masm_, function()->end_position() - 1);
       __ RecordJSReturn();
       // This code is generated using Assembler methods rather than Macro