Always pass an Isolate to AssemblerBase

src/debug/x64/debug-x64.cc

Index: src/debug/x64/debug-x64.cc
diff --git a/src/debug/x64/debug-x64.cc b/src/debug/x64/debug-x64.cc
index 3b656787091ecd04d6437c81870a6e9fcec89033..2f017c8022b98cdb016355f1e0405222e0243a72 100644
--- a/src/debug/x64/debug-x64.cc
+++ b/src/debug/x64/debug-x64.cc
@@ -32,16 +32,17 @@ void DebugCodegen::GenerateSlot(MacroAssembler* masm, RelocInfo::Mode mode,
 }
 
 
-void DebugCodegen::ClearDebugBreakSlot(Address pc) {
-  CodePatcher patcher(pc, Assembler::kDebugBreakSlotLength);
+void DebugCodegen::ClearDebugBreakSlot(Isolate* isolate, Address pc) {
+  CodePatcher patcher(isolate, pc, Assembler::kDebugBreakSlotLength);
   EmitDebugBreakSlot(patcher.masm());
 }
 
 
-void DebugCodegen::PatchDebugBreakSlot(Address pc, Handle<Code> code) {
+void DebugCodegen::PatchDebugBreakSlot(Isolate* isolate, Address pc,
+                                       Handle<Code> code) {
   DCHECK_EQ(Code::BUILTIN, code->kind());
   static const int kSize = Assembler::kDebugBreakSlotLength;
-  CodePatcher patcher(pc, kSize);
+  CodePatcher patcher(isolate, pc, kSize);
   Label check_codesize;
   patcher.masm()->bind(&check_codesize);
   patcher.masm()->movp(kScratchRegister, reinterpret_cast<void*>(code->entry()),