Split UserMetrics into API vs. implementation. Move API to content/public.

chrome/browser/extensions/installed_loader.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/installed_loader.h"
 
 #include "base/file_path.h"
 #include "base/metrics/histogram.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_file_util.h"
 #include "chrome/common/extensions/extension_l10n_util.h"
 #include "chrome/common/extensions/manifest.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/notification_service.h"
-#include "content/browser/user_metrics.h"
+#include "content/public/browser/user_metrics.h"
 
 using content::BrowserThread;
+using content::UserMetricsAction;
 
 namespace errors = extension_manifest_errors;
 
 namespace {
 
 // The following enumeration is used in histograms matching
 // Extensions.ManifestReload* .  Values may be added, as long as existing
 // values are not changed.
 enum ManifestReloadReason {
   NOT_NEEDED = 0,  // Reload not needed.
@@ skipping 47 matching lines @@
     error = errors::kManifestUnreadable;
   }
 
   // Once installed, non-unpacked extensions cannot change their IDs (e.g., by
   // updating the 'key' field in their manifest).
   if (extension &&
       extension->location() != Extension::LOAD &&
       info.extension_id != extension->id()) {
     error = errors::kCannotChangeExtensionID;
     extension = NULL;
-    UserMetrics::RecordAction(UserMetricsAction("Extensions.IDChangedError"));
+    content::RecordAction(UserMetricsAction("Extensions.IDChangedError"));
   }
 
   if (!extension) {
     extension_service_->
         ReportExtensionLoadError(info.extension_path, error, false);
     return;
   }
 
   if (write_to_prefs)
     extension_prefs_->UpdateManifest(extension);
@@ skipping 174 matching lines @@
   if (extension_prefs_->AllowFileAccess(info->extension_id))
     flags |= Extension::ALLOW_FILE_ACCESS;
   if (extension_prefs_->IsFromWebStore(info->extension_id))
     flags |= Extension::FROM_WEBSTORE;
   if (extension_prefs_->IsFromBookmark(info->extension_id))
     flags |= Extension::FROM_BOOKMARK;
   return flags;
 }
 
 }  // namespace extensions