Debugger: prepare code for debugging on a per-function basis.

src/background-parsing-task.cc

Index: src/background-parsing-task.cc
diff --git a/src/background-parsing-task.cc b/src/background-parsing-task.cc
index d7df9b4717395aa04799cfdcbbd7ff9be430848d..a79ce52788aeeef7284c1c3d13a2b93d69812744 100644
--- a/src/background-parsing-task.cc
+++ b/src/background-parsing-task.cc
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "src/background-parsing-task.h"
+#include "src/debug.h"
 
 namespace v8 {
 namespace internal {
@@ -31,7 +32,7 @@ BackgroundParsingTask::BackgroundParsingTask(
   info->set_global();
   info->set_unicode_cache(&source_->unicode_cache);
 
-  bool disable_lazy = Compiler::DebuggerWantsEagerCompilation(isolate);
+  bool disable_lazy = isolate->debug()->RequiresEagerCompilation();
   if (disable_lazy && options == ScriptCompiler::kProduceParserCache) {
     // Producing cached data while parsing eagerly is not supported.
     options = ScriptCompiler::kNoCompileOptions;