Clean up remaining unused globals (on mac).

chrome/browser/net/predictor_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <time.h>
 
 #include <algorithm>
 #include <sstream>
 #include <string>
 
@@ skipping 294 matching lines @@
   EXPECT_TRUE(motivation_list->GetList(1, &subresource_list));
 
   // We won't bother to check for the subresource being there already.  Worst
   // case, during deserialization, the latency value we supply plus the
   // existing value(s) will be added to the referrer.
 
   subresource_list->Append(new base::StringValue(subresource.spec()));
   subresource_list->Append(new base::FundamentalValue(use_rate));
 }
 
-static const int kLatencyNotFound = -1;
-
 // For a given motivation, and subresource, find what latency is currently
 // listed.  This assume a well formed serialization, which has at most one such
 // entry for any pair of names.  If no such pair is found, then return false.
 // Data is written into use_rate arguments.
 static bool GetDataFromSerialization(const GURL& motivation,
                                      const GURL& subresource,
                                      const ListValue& referral_list,
                                      double* use_rate) {
   const ListValue* motivation_list =
       FindSerializationMotivation(motivation, &referral_list);
@@ skipping 348 matching lines @@
   EXPECT_EQ(2U, referral_list.GetSize());
 
   predictor.DiscardAllResults();
   predictor.SerializeReferrers(&referral_list);
   EXPECT_EQ(1U, referral_list.GetSize());
 
   predictor.Shutdown();
 }
 
 }  // namespace chrome_browser_net