Fix gcc 4.6 compile issues; set but unused variable and pointer/FALSE fubar.

chrome/browser/chromeos/mobile_config_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 "chrome/browser/chromeos/mobile_config.h"
 
 #include "base/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
@@ skipping 151 matching lines @@
   EXPECT_TRUE(locale_config == NULL);
 }
 
 TEST(MobileConfigTest, OldDeal) {
   MobileConfig config(kOldDealMobileConfig, "en-US");
   EXPECT_TRUE(config.IsReady());
   const MobileConfig::Carrier* carrier;
   carrier = config.GetCarrier("Carrier (country)");
   EXPECT_TRUE(carrier != NULL);
   // Check default value.
-  EXPECT_EQ(false, carrier->show_portal_button());
+  EXPECT_FALSE(carrier->show_portal_button());
   const MobileConfig::CarrierDeal* deal;
   // TODO(nkostylev): Pass fixed time instead of relying on Time::Now().
   deal = carrier->GetDefaultDeal();
   EXPECT_TRUE(deal == NULL);
 }
 
 TEST(MobileConfigTest, DealOtherLocale) {
   MobileConfig config(kGoodMobileConfig, "en-GB");
   EXPECT_TRUE(config.IsReady());
   const MobileConfig::Carrier* carrier;
@@ skipping 57 matching lines @@
   EXPECT_TRUE(config_us.IsReady());
   config_us.LoadManifestFromString(kLocalMobileConfig);
   EXPECT_TRUE(config_us.IsReady());
   const MobileConfig::LocaleConfig* locale_config;
   locale_config = config_us.GetLocaleConfig();
   EXPECT_TRUE(locale_config != NULL);
   EXPECT_EQ("accounts.carrier.com/localized/", locale_config->setup_url());
 }
 
 }  // namespace chromeos