Create new histrograms for ExtensionPermission enum.

chrome/browser/extensions/api/webstore_private/webstore_private_api.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/api/webstore_private/webstore_private_api.h"
 
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 491 matching lines @@
   approval->authuser = authuser_;
   g_pending_approvals.Get().PushApproval(approval.Pass());
 
   SetResultCode(ERROR_NONE);
   SendResponse(true);
 
   // The Permissions_Install histogram is recorded from the ExtensionService
   // for all extension installs, so we only need to record the web store
   // specific histogram here.
   ExtensionService::RecordPermissionMessagesHistogram(
-      dummy_extension_.get(), "Extensions.Permissions_WebStoreInstall");
+      dummy_extension_.get(), "Extensions.Permissions_WebStoreInstall2");
 
   // Matches the AddRef in RunAsync().
   Release();
 }
 
 void WebstorePrivateBeginInstallWithManifest3Function::InstallUIAbort(
     bool user_initiated) {
   error_ = kUserCancelledError;
   SetResultCode(USER_CANCELLED);
   g_pending_installs.Get().EraseInstall(GetProfile(), params_->details.id);
   SendResponse(false);
 
   // The web store install histograms are a subset of the install histograms.
   // We need to record both histograms here since CrxInstaller::InstallUIAbort
   // is never called for web store install cancellations.
-  std::string histogram_name = user_initiated ?
-      "Extensions.Permissions_WebStoreInstallCancel" :
-      "Extensions.Permissions_WebStoreInstallAbort";
+  std::string histogram_name =
+      user_initiated ? "Extensions.Permissions_WebStoreInstallCancel2"
+                     : "Extensions.Permissions_WebStoreInstallAbort2";
   ExtensionService::RecordPermissionMessagesHistogram(dummy_extension_.get(),
                                                       histogram_name.c_str());
 
-  histogram_name = user_initiated ?
-      "Extensions.Permissions_InstallCancel" :
-      "Extensions.Permissions_InstallAbort";
+  histogram_name = user_initiated ? "Extensions.Permissions_InstallCancel2"
+                                  : "Extensions.Permissions_InstallAbort2";
   ExtensionService::RecordPermissionMessagesHistogram(dummy_extension_.get(),
                                                       histogram_name.c_str());
 
   // Matches the AddRef in RunAsync().
   Release();
 }
 
 WebstorePrivateCompleteInstallFunction::
     WebstorePrivateCompleteInstallFunction() {}
 
@@ skipping 265 matching lines @@
   } else {
     error_ = "merge_session_failed";
     SendResponse(false);
   }
 
   SigninManagerFactory::GetInstance()->RemoveObserver(this);
   Release();  // Balanced in RunAsync().
 }
 
 }  // namespace extensions