Rename constants used with default apps to confrom with naming convention.

chrome/browser/chrome_browser_main.cc

 // Copyright (c) 2011 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/chrome_browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 1070 matching lines @@
         max_queueing_delay_ms);
   }
 }
 
 void ChromeBrowserMainParts::DefaultAppsFieldTrial() {
   std::string brand;
   google_util::GetBrand(&brand);
 
   // Create a 100% field trial based on the brand code.
   if (LowerCaseEqualsASCII(brand, "ecdb")) {
-    base::FieldTrialList::CreateFieldTrial(kDefaultAppsTrial_Name,
-                                           kDefaultAppsTrial_NoAppsGroup);
+    base::FieldTrialList::CreateFieldTrial(kDefaultAppsTrialName,
+                                           kDefaultAppsTrialNoAppsGroup);
   } else if (LowerCaseEqualsASCII(brand, "ecda")) {
-    base::FieldTrialList::CreateFieldTrial(kDefaultAppsTrial_Name,
-                                           kDefaultAppsTrial_WithAppsGroup);
+    base::FieldTrialList::CreateFieldTrial(kDefaultAppsTrialName,
+                                           kDefaultAppsTrialWithAppsGroup);
   }
 }
 
 // ChromeBrowserMainParts: |SetupMetricsAndFieldTrials()| related --------------
 
 // Initializes the metrics service with the configuration for this process,
 // returning the created service (guaranteed non-NULL).
 MetricsService* ChromeBrowserMainParts::InitializeMetrics(
     const CommandLine& parsed_command_line,
     const PrefService* local_state) {
@@ skipping 1052 matching lines @@
   if (env->GetVar(chrome::kPreReadEnvironmentVariable, &pre_read) &&
       (pre_read == "0" || pre_read == "1")) {
     std::string uma_name(name);
     uma_name += "_PreRead";
     uma_name += pre_read == "1" ? "Enabled" : "Disabled";
     AddPreReadHistogramTime(uma_name.c_str(), time);
   }
 #endif
 #endif
 }