Remove {linux|android}_use_tcmalloc and switch to use_allocator in Chromium.

url/url.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     'url_srcs.gypi',
@@ skipping 37 matching lines @@
       ],
       'sources': [
         'gurl_unittest.cc',
         'origin_unittest.cc',
         'url_canon_unittest.cc',
         'url_parse_unittest.cc',
         'url_test_utils.h',
         'url_util_unittest.cc',
       ],
       'conditions': [
-        # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
-        ['os_posix==1 and OS!="mac" and OS!="ios" and ((use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1))',
+        ['os_posix==1 and OS!="mac" and OS!="ios" and use_allocator!="none"',
           {
             'dependencies': [
               '../base/allocator/allocator.gyp:allocator',
             ],
           }
         ],
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [4267, ],
     },
   ],
 }