[debug] Untangle DebugInfo from break point support

src/debug/liveedit.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/debug/liveedit.h"
 
 #include "src/assembler-inl.h"
 #include "src/ast/scopes.h"
 #include "src/code-stubs.h"
 #include "src/compilation-cache.h"
@@ skipping 892 matching lines @@
         ReplaceCodeObject(old_code,
                           isolate->builtins()->InterpreterEntryTrampoline());
       } else {
         // Start using new FCG code everywhere.
         // Rely on self-healing for places that used to run bytecode.
         DCHECK(new_code->kind() == Code::FUNCTION);
         ReplaceCodeObject(old_code, new_code);
       }
     }
 
-    if (shared_info->HasDebugInfo()) {
+    if (shared_info->HasBreakInfo()) {
       // Existing break points will be re-applied. Reset the debug info here.
-      isolate->debug()->RemoveDebugInfoAndClearFromShared(
+      isolate->debug()->RemoveBreakInfoAndMaybeFree(
           handle(shared_info->GetDebugInfo()));
     }
     shared_info->set_scope_info(new_shared_info->scope_info());
     shared_info->set_outer_scope_info(new_shared_info->outer_scope_info());
     shared_info->DisableOptimization(kLiveEdit);
     // Update the type feedback vector, if needed.
     Handle<FeedbackMetadata> new_feedback_metadata(
         new_shared_info->feedback_metadata());
     shared_info->set_feedback_metadata(*new_feedback_metadata);
   } else {
@@ skipping 140 matching lines @@
   if (info->HasBytecodeArray()) {
     TranslateSourcePositionTable(
         Handle<AbstractCode>(AbstractCode::cast(info->bytecode_array())),
         position_change_array);
   }
   if (info->code()->kind() == Code::FUNCTION) {
     TranslateSourcePositionTable(
         Handle<AbstractCode>(AbstractCode::cast(info->code())),
         position_change_array);
   }
-  if (info->HasDebugInfo()) {
+  if (info->HasBreakInfo()) {
     // Existing break points will be re-applied. Reset the debug info here.
-    info->GetIsolate()->debug()->RemoveDebugInfoAndClearFromShared(
+    info->GetIsolate()->debug()->RemoveBreakInfoAndMaybeFree(
         handle(info->GetDebugInfo()));
   }
 }
 
 
 static Handle<Script> CreateScriptCopy(Handle<Script> original) {
   Isolate* isolate = original->GetIsolate();
 
   Handle<String> original_source(String::cast(original->source()));
   Handle<Script> copy = isolate->factory()->NewScript(original_source);
@@ skipping 555 matching lines @@
     scope_info_length++;
 
     current_scope = current_scope->outer_scope();
   }
 
   return scope_info_list;
 }
 
 }  // namespace internal
 }  // namespace v8