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

chrome/browser/extensions/crx_installer.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/extensions/crx_installer.h"
 
 #include <map>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 533 matching lines @@
 }
 
 void CrxInstaller::ReportSuccessFromFileThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 
   // Tracking number of extensions installed by users
   if (install_cause() == extension_misc::INSTALL_CAUSE_USER_DOWNLOAD) {
     UMA_HISTOGRAM_ENUMERATION("Extensions.ExtensionInstalled", 1, 2);
 
     static bool default_apps_trial_exists =
-        base::FieldTrialList::TrialExists(kDefaultAppsTrial_Name);
+        base::FieldTrialList::TrialExists(kDefaultAppsTrialName);
     if (default_apps_trial_exists) {
       UMA_HISTOGRAM_ENUMERATION(
           base::FieldTrial::MakeName("Extensions.ExtensionInstalled",
-                                     kDefaultAppsTrial_Name),
+                                     kDefaultAppsTrialName),
           1, 2);
     }
   }
 
   if (!BrowserThread::PostTask(
           BrowserThread::UI, FROM_HERE,
           base::Bind(&CrxInstaller::ReportSuccessFromUIThread, this)))
     NOTREACHED();
 }
 
@@ skipping 31 matching lines @@
   // Some users (such as the download shelf) need to know when a
   // CRXInstaller is done.  Listening for the EXTENSION_* events
   // is problematic because they don't know anything about the
   // extension before it is unpacked, so they cannot filter based
   // on the extension.
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_CRX_INSTALLER_DONE,
       content::Source<CrxInstaller>(this),
       content::Details<const Extension>(extension));
 }