Extract ParseInfo from CompilationInfo.

src/background-parsing-task.h

Index: src/background-parsing-task.h
diff --git a/src/background-parsing-task.h b/src/background-parsing-task.h
index 19c93a833a2cefe5e82af904c25086383ebac038..6cbd56533e8ef3d866769f5ff1f95b900bc42cfb 100644
--- a/src/background-parsing-task.h
+++ b/src/background-parsing-task.h
@@ -14,8 +14,6 @@
 namespace v8 {
 namespace internal {
 
-class Parser;
-
 // Internal representation of v8::ScriptCompiler::StreamedSource. Contains all
 // data which needs to be transmitted between threads for background parsing,
 // finalizing it on the main thread, and compiling on the main thread.
@@ -36,7 +34,8 @@ struct StreamedSource {
   // between parsing and compilation. These need to be initialized before the
   // compilation starts.
   UnicodeCache unicode_cache;
-  SmartPointer<CompilationInfo> info;
+  SmartPointer<ParseInfo> info;
+  SmartPointer<Zone> zone;
   uint32_t hash_seed;
   bool allow_lazy;
   SmartPointer<Parser> parser;
@@ -58,7 +57,6 @@ class BackgroundParsingTask : public ScriptCompiler::ScriptStreamingTask {
 
  private:
   StreamedSource* source_;  // Not owned.
-  ScriptCompiler::CompileOptions options_;
   int stack_size_;
 };
 }