Mode clean-up pt 1: rename classic/non-strict mode to sloppy mode

src/messages.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1056 matching lines @@
       return "<error: " + e + ">";
     } catch (ee) {
       return "<error>";
     }
   }
 }
 
 
 function GetStackFrames(raw_stack) {
   var frames = new InternalArray();
-  var non_strict_frames = raw_stack[0];
+  var sloppy_frames = raw_stack[0];
   for (var i = 1; i < raw_stack.length; i += 4) {
     var recv = raw_stack[i];
     var fun = raw_stack[i + 1];
     var code = raw_stack[i + 2];
     var pc = raw_stack[i + 3];
     var pos = %FunctionGetPositionForOffset(code, pc);
-    non_strict_frames--;
-    frames.push(new CallSite(recv, fun, pos, (non_strict_frames < 0)));
+    sloppy_frames--;
+    frames.push(new CallSite(recv, fun, pos, (sloppy_frames < 0)));
   }
   return frames;
 }
 
 
 // Flag to prevent recursive call of Error.prepareStackTrace.
 var formatting_custom_stack_trace = false;
 
 
 function FormatStackTrace(obj, error_string, frames) {
@@ skipping 251 matching lines @@
     %GetAndClearOverflowedStackTrace(this);
   };
 
   %DefineOrRedefineAccessorProperty(
       boilerplate, 'stack', getter, setter, DONT_ENUM);
 
   return boilerplate;
 }
 
 var kStackOverflowBoilerplate = SetUpStackOverflowBoilerplate();