android: Enable -Wunused-const-variable.

chrome/browser/net/spdyproxy/data_reduction_proxy_settings_unittest_android.cc

 // Copyright 2013 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 "chrome/browser/net/spdyproxy/data_reduction_proxy_settings_unittest.h"
 
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/base64.h"
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/net/spdyproxy/data_reduction_proxy_settings_android.h"
 #include "chrome/browser/prefs/proxy_prefs.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/metrics/variations/variations_util.h"
 #include "chrome/common/pref_names.h"
 #include "components/variations/entropy_provider.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 const char kDataReductionProxyOrigin[] = "https://foo:443/";
-const char kDataReductionProxyOriginHostPort[] = "foo:443";
 const char kDataReductionProxyAuth[] = "12345";
 
 class TestDataReductionProxySettingsAndroid
     : public DataReductionProxySettingsAndroid {
  public:
   TestDataReductionProxySettingsAndroid(JNIEnv* env,
                                         jobject obj,
                                         PrefService* profile_prefs,
                                         PrefService* local_state_prefs)
       : DataReductionProxySettingsAndroid(env, obj),
@@ skipping 160 matching lines @@
   ASSERT_EQ(static_cast<jsize>(spdyproxy::kNumDaysInHistory), java_array_len);
 
   jlong value;
   for (size_t i = 0; i < spdyproxy::kNumDaysInHistory; ++i) {
     env_->GetLongArrayRegion(result.obj(), i, 1, &value);
     ASSERT_EQ(
         static_cast<long>((spdyproxy::kNumDaysInHistory - 1 - i) * 2), value);
   }
 }