Move RemoveChars, ReplaceChars, TrimString, and TruncateUTF8ToByteSize to base namespace.

chrome/browser/metrics/metrics_log.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/metrics/metrics_log.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 953 matching lines @@
     paired_device->set_type(AsBluetoothDeviceType(device->GetDeviceType()));
 
     // address is xx:xx:xx:xx:xx:xx, extract the first three components and
     // pack into a uint32
     std::string address = device->GetAddress();
     if (address.size() > 9 &&
         address[2] == ':' && address[5] == ':' && address[8] == ':') {
       std::string vendor_prefix_str;
       uint64 vendor_prefix;
 
-      RemoveChars(address.substr(0, 9), ":", &vendor_prefix_str);
+      base::RemoveChars(address.substr(0, 9), ":", &vendor_prefix_str);
       DCHECK_EQ(6U, vendor_prefix_str.size());
       base::HexStringToUInt64(vendor_prefix_str, &vendor_prefix);
 
       paired_device->set_vendor_prefix(vendor_prefix);
     }
 
     paired_device->set_vendor_id(device->GetVendorID());
     paired_device->set_product_id(device->GetProductID());
     paired_device->set_device_id(device->GetDeviceID());
   }
@@ skipping 10 matching lines @@
 
     // We invalidate the user count if it changed while the log was open.
     if (system_profile->has_multi_profile_user_count() &&
         user_count != system_profile->multi_profile_user_count())
       user_count = 0;
 
     system_profile->set_multi_profile_user_count(user_count);
   }
 }
 #endif