Fixing timezone issues with date-time/parse-* tests.

test/intl/date-format/timezone-name.js

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-#ifndef V8_HYDROGEN_DCE_H_
-#define V8_HYDROGEN_DCE_H_
+// Tests time zone names.
 
-#include "hydrogen.h"
+// Winter date (PST).
+var winter = new Date(2013, 1, 12, 14, 42, 53, 0);
 
-namespace v8 {
-namespace internal {
+// Summer date (PDT).
+var summer = new Date(2013, 7, 12, 14, 42, 53, 0);
 
-
-class HDeadCodeEliminationPhase : public HPhase {
- public:
-  explicit HDeadCodeEliminationPhase(HGraph* graph)
-      : HPhase("H_Dead code elimination", graph) { }
-
-  void Run() {
-    MarkLiveInstructions();
-    RemoveDeadInstructions();
-  }
-
- private:
-  bool MarkLive(HValue* ref, HValue* instr);
-  void MarkLiveInstructions();
-  void RemoveDeadInstructions();
+// Common flags for both formatters.
+var flags = {
+  year: 'numeric', month: 'long', day: 'numeric',
+  hour : '2-digit', minute : '2-digit', second : '2-digit',
+  timeZone: 'America/Los_Angeles'
 };
 
+flags.timeZoneName = "short";
+var dfs = new Intl.DateTimeFormat('en-US', flags);
 
-} }  // namespace v8::internal
+assertTrue(dfs.format(winter).indexOf('PST') !== -1);
+assertTrue(dfs.format(summer).indexOf('PDT') !== -1);
 
-#endif  // V8_HYDROGEN_DCE_H_
+flags.timeZoneName = "long";
+var dfl = new Intl.DateTimeFormat('en-US', flags);
+
+assertTrue(dfl.format(winter).indexOf('Pacific Standard Time') !== -1);
+assertTrue(dfl.format(summer).indexOf('Pacific Daylight Time') !== -1);