Remove the wrapper functions content::RecordAction et al

chrome/browser/ui/cocoa/tabs/alert_indicator_button_cocoa.mm

 // Copyright 2013 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.
 
 #import "chrome/browser/ui/cocoa/tabs/alert_indicator_button_cocoa.h"
 
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
 #include "base/macros.h"
+#include "base/metrics/user_metrics.h"
 #include "base/threading/thread_task_runner_handle.h"
 #import "chrome/browser/ui/cocoa/l10n_util.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_view.h"
-#include "content/public/browser/user_metrics.h"
 #include "ui/gfx/animation/animation.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/image/image.h"
 
 namespace {
 
 // The minimum required click-to-select area of an inactive tab before allowing
 // the click-to-mute functionality to be enabled.  This value is in terms of
 // some percentage of the AlertIndicatorButton's width.  See comments in the
 // updateEnabledForMuteToggle method.
@@ skipping 210 matching lines @@
 
 - (void)handleClick:(id)sender {
   [self enterDormantPeriod];
 
   // Call |-transitionToAlertState| to change the image, providing the user with
   // instant feedback.  In the very unlikely event that the mute toggle fails,
   // |-transitionToAlertState| will be called again, via another code path, to
   // set the image to be consistent with the final outcome.
   using base::UserMetricsAction;
   if (alertState_ == TabAlertState::AUDIO_PLAYING) {
-    content::RecordAction(UserMetricsAction("AlertIndicatorButton_Mute"));
+    base::RecordAction(UserMetricsAction("AlertIndicatorButton_Mute"));
     [self transitionToAlertState:TabAlertState::AUDIO_MUTING];
   } else {
     DCHECK(alertState_ == TabAlertState::AUDIO_MUTING);
-    content::RecordAction(UserMetricsAction("AlertIndicatorButton_Unmute"));
+    base::RecordAction(UserMetricsAction("AlertIndicatorButton_Unmute"));
     [self transitionToAlertState:TabAlertState::AUDIO_PLAYING];
   }
 
   [clickTarget_ performSelector:clickAction_ withObject:self];
 }
 
 - (void)updateEnabledForMuteToggle {
   const BOOL wasEnabled = [self isEnabled];
 
   BOOL enable = chrome::AreExperimentalMuteControlsEnabled() &&
@@ skipping 50 matching lines @@
 - (void)windowDidChangeTheme {
   // Force the alert icon to update because the icon color may change based
   // on the current theme.
   [self updateIconForState:alertState_];
 }
 
 - (void)windowDidChangeActive {
 }
 
 @end