Removing deprecated ios/web/user_metrics.cc and references to it.

ios/web/navigation/crw_session_controller.mm

 // Copyright 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.
 
 #import "ios/web/navigation/crw_session_controller.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <utility>
 #include <vector>
 
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/mac/objc_property_releaser.h"
 #import "base/mac/scoped_nsobject.h"
+#include "base/metrics/user_metrics.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/strings/sys_string_conversions.h"
 #import "ios/web/history_state_util.h"
 #import "ios/web/navigation/crw_session_certificate_policy_manager.h"
 #import "ios/web/navigation/crw_session_controller+private_constructors.h"
 #import "ios/web/navigation/crw_session_entry.h"
 #include "ios/web/navigation/navigation_item_impl.h"
 #import "ios/web/navigation/navigation_manager_facade_delegate.h"
 #import "ios/web/navigation/navigation_manager_impl.h"
 #include "ios/web/navigation/time_smoother.h"
 #include "ios/web/public/browser_state.h"
 #include "ios/web/public/browser_url_rewriter.h"
 #include "ios/web/public/referrer.h"
 #include "ios/web/public/ssl_status.h"
-#include "ios/web/public/user_metrics.h"
 
 using base::UserMetricsAction;
 
 namespace {
 NSString* const kCertificatePolicyManagerKey = @"certificatePolicyManager";
 NSString* const kCurrentNavigationIndexKey = @"currentNavigationIndex";
 NSString* const kEntriesKey = @"entries";
 NSString* const kLastVisitedTimestampKey = @"lastVisitedTimestamp";
 NSString* const kOpenerIdKey = @"openerId";
 NSString* const kOpenedByDOMKey = @"openedByDOM";
@@ skipping 621 matching lines @@
 
   BOOL hadTransientEntry = _transientEntry != nil;
 
   [self discardNonCommittedEntries];
 
   // Going back from a transient entry doesn't require anything beyond
   // discarding the pending entry.
   if (hadTransientEntry)
     return;
 
-  web::RecordAction(UserMetricsAction("Back"));
+  base::RecordAction(UserMetricsAction("Back"));
   _previousNavigationIndex = _currentNavigationIndex;
   // To stop the user getting 'stuck' on redirecting pages they weren't even
   // aware existed, it is necessary to pass over pages that would immediately
   // result in a redirect (the entry *before* the redirected page).
   while (_currentNavigationIndex &&
          [self transitionForIndex:_currentNavigationIndex] &
              ui::PAGE_TRANSITION_IS_REDIRECT_MASK) {
     --_currentNavigationIndex;
   }
 
   if (_currentNavigationIndex)
     --_currentNavigationIndex;
 }
 
 - (void)goForward {
   [self discardTransientEntry];
 
-  web::RecordAction(UserMetricsAction("Forward"));
+  base::RecordAction(UserMetricsAction("Forward"));
   if (_currentNavigationIndex + 1 < static_cast<NSInteger>([_entries count])) {
     _previousNavigationIndex = _currentNavigationIndex;
     ++_currentNavigationIndex;
   }
   // To reduce the chance of a redirect kicking in (truncating the history
   // stack) we skip over any pages that might do this; we detect this by
   // looking for when the *next* page had rediection transition type (was
   // auto redirected to).
   while (_currentNavigationIndex + 1 <
          (static_cast<NSInteger>([_entries count])) &&
@@ skipping 186 matching lines @@
   item->SetURL(loaded_url);
   item->SetReferrer(referrer);
   item->SetTransitionType(transition);
   item->SetIsOverridingUserAgent(useDesktopUserAgent);
   item->set_is_renderer_initiated(rendererInitiated);
   return [[[CRWSessionEntry alloc] initWithNavigationItem:std::move(item)]
       autorelease];
 }
 
 @end