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

chrome/browser/drive/fake_drive_service.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/drive/fake_drive_service.h"
 
 #include <string>
 
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 65 matching lines @@
 // - AND search for multiple words/phrases segmented by space
 // - Limited attribute search.  Only "title:" is supported.
 bool EntryMatchWithQuery(const ResourceEntry& entry,
                          const std::string& query) {
   base::StringTokenizer tokenizer(query, " ");
   tokenizer.set_quote_chars("\"'");
   while (tokenizer.GetNext()) {
     std::string key, value;
     const std::string& token = tokenizer.token();
     if (token.find(':') == std::string::npos) {
-      TrimString(token, "\"'", &value);
+      base::TrimString(token, "\"'", &value);
     } else {
       base::StringTokenizer key_value(token, ":");
       key_value.set_quote_chars("\"'");
       if (!key_value.GetNext())
         return false;
       key = key_value.token();
       if (!key_value.GetNext())
         return false;
-      TrimString(key_value.token(), "\"'", &value);
+      base::TrimString(key_value.token(), "\"'", &value);
     }
 
     // TODO(peria): Deal with other attributes than title.
     if (!key.empty() && key != "title")
       return false;
     // Search query in the title.
     if (entry.title().find(value) == std::string::npos)
       return false;
   }
   return true;
@@ skipping 1528 matching lines @@
       FROM_HERE,
       base::Bind(callback, HTTP_SUCCESS, base::Passed(&resource_list)));
 }
 
 GURL FakeDriveService::GetNewUploadSessionUrl() {
   return GURL("https://upload_session_url/" +
               base::Int64ToString(next_upload_sequence_number_++));
 }
 
 }  // namespace drive