Create new histrograms for ExtensionPermission enum.

chrome/browser/extensions/crx_installer.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/extensions/crx_installer.h"
 
 #include <map>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 641 matching lines @@
 
   Release();  // balanced in ConfirmInstall() or ConfirmReEnable().
 }
 
 void CrxInstaller::InstallUIAbort(bool user_initiated) {
   // If update_from_settings_page_ boolean is true, this functions is
   // getting called in response to ExtensionInstallPrompt::ConfirmReEnable()
   // and if it is false, this function is called in response to
   // ExtensionInstallPrompt::ConfirmInstall().
   if (!update_from_settings_page_) {
-    std::string histogram_name = user_initiated ?
-        "Extensions.Permissions_InstallCancel" :
-        "Extensions.Permissions_InstallAbort";
+    std::string histogram_name = user_initiated
+                                     ? "Extensions.Permissions_InstallCancel2"
+                                     : "Extensions.Permissions_InstallAbort2";
     ExtensionService::RecordPermissionMessagesHistogram(
         extension(), histogram_name.c_str());
 
     NotifyCrxInstallComplete(false);
   }
 
   Release();  // balanced in ConfirmInstall() or ConfirmReEnable().
 
   // We're done. Since we don't post any more tasks to ourself, our ref count
   // should go to zero and we die. The destructor will clean up the temp dir.
@@ skipping 232 matching lines @@
   if (!prefs->DidExtensionEscalatePermissions(extension()->id()))
     return;
 
   if (client_) {
     AddRef();  // Balanced in InstallUIProceed() and InstallUIAbort().
     client_->ConfirmReEnable(this, extension());
   }
 }
 
 }  // namespace extensions