Change a few style issues (dead code, unitialized members) flagged by...

src/bootstrapper.cc

Index: src/bootstrapper.cc
===================================================================
--- src/bootstrapper.cc	(revision 2523)
+++ src/bootstrapper.cc	(working copy)
@@ -47,14 +47,10 @@
 // generate an index for each native JS file.
 class SourceCodeCache BASE_EMBEDDED {
  public:
-  explicit SourceCodeCache(Script::Type type): type_(type) { }
+  explicit SourceCodeCache(Script::Type type): type_(type), cache_(NULL) { }
 
   void Initialize(bool create_heap_objects) {
-    if (create_heap_objects) {
-      cache_ = Heap::empty_fixed_array();
-    } else {
-      cache_ = NULL;
-    }
+    cache_ = create_heap_objects ? Heap::empty_fixed_array() : NULL;
   }
 
   void Iterate(ObjectVisitor* v) {