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

ios/chrome/browser/crash_report/crash_report_background_uploader.mm

 // Copyright 2014 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/chrome/browser/crash_report/crash_report_background_uploader.h"
 
 #import <UIKit/UIKit.h>
 
 #include "base/logging.h"
 #include "base/mac/scoped_block.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/metrics/histogram.h"
+#include "base/metrics/user_metrics.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/time/time.h"
 #import "breakpad/src/client/ios/BreakpadController.h"
 #include "ios/chrome/browser/experimental_flags.h"
-#include "ios/web/public/user_metrics.h"
 
 using base::UserMetricsAction;
 
 namespace {
 
 NSString* const kBackgroundReportUploader =
     @"com.google.chrome.breakpad.backgroundupload";
 const char* const kUMAMobileCrashBackgroundUploadDelay =
     "CrashReport.CrashBackgroundUploadDelay";
 const char* const kUMAMobilePendingReportsOnBackgroundWakeUp =
@@ skipping 279 matching lines @@
           [[BreakpadController sharedInstance] setUploadingEnabled:NO];
           dispatch_async(dispatch_get_main_queue(), ^{
             if (reportToSend) {
               if (uploaded) {
                 NSUserDefaults* defaults =
                     [NSUserDefaults standardUserDefaults];
                 NSInteger uploadedCrashes =
                     [defaults integerForKey:kReportsUploadedInBackground];
                 [defaults setInteger:(uploadedCrashes + 1)
                               forKey:kReportsUploadedInBackground];
-                web::RecordAction(
+                base::RecordAction(
                     UserMetricsAction("BackgroundUploadReportSucceeded"));
 
               } else {
-                web::RecordAction(
+                base::RecordAction(
                     UserMetricsAction("BackgroundUploadReportAborted"));
               }
             }
             if (uploaded && pendingReports) {
               completionHandler(UIBackgroundFetchResultNewData);
             } else if (pendingReports) {
               completionHandler(UIBackgroundFetchResultFailed);
             } else {
               [[UIApplication sharedApplication]
                   setMinimumBackgroundFetchInterval:
@@ skipping 21 matching lines @@
           integerForKey:kReportsUploadedInBackground];
   return uploadedCrashReportsInBackgroundCount > 0;
 }
 
 + (void)resetReportsUploadedInBackgroundCount {
   [[NSUserDefaults standardUserDefaults]
       removeObjectForKey:kReportsUploadedInBackground];
 }
 
 @end