Remove lazy loading of natives files and the natives cache....

src/globals.h

Index: src/globals.h
===================================================================
--- src/globals.h	(revision 3777)
+++ src/globals.h	(working copy)
@@ -310,7 +310,11 @@
 
 enum VisitMode { VISIT_ALL, VISIT_ALL_IN_SCAVENGE, VISIT_ONLY_STRONG };
 
+// Flag indicating whether code is built in to the VM (one of the natives
+// files).
+enum NativesFlag { NOT_NATIVES_CODE, NATIVES_CODE };
 
+
 // A CodeDesc describes a buffer holding instructions and relocation
 // information. The instructions start at the beginning of the buffer
 // and grow forward, the relocation information starts at the end of
@@ -389,7 +393,7 @@
 // Type of properties.
 // Order of properties is significant.
 // Must fit in the BitField PropertyDetails::TypeField.
-// A copy of this is in mirror-delay.js.
+// A copy of this is in mirror-debugger.js.
 enum PropertyType {
   NORMAL              = 0,  // only in slow mode
   FIELD               = 1,  // only in fast mode