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

net/net.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,
 
     'linux_link_kerberos%': 0,
     'use_tracing_cache_backend%': 0,
@@ skipping 515 matching lines @@
               ],
             }, {  # desktop_linux == 0 and chromeos == 0
               'sources!': [
                 'cert/nss_cert_database_unittest.cc',
               ],
             }],
           ],
         }],
         [ 'os_posix == 1 and OS != "mac" and OS != "android" and OS != "ios"', {
           'conditions': [
-            # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
-            ['(use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1)', {
+            ['use_allocator!="none"', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         }],
         [ 'use_kerberos==1', {
           'defines': [
             'USE_KERBEROS',
           ],
@@ skipping 332 matching lines @@
               ],
             }, {
               'dependencies': [
                 '../build/linux/system.gyp:ssl',
               ],
             }],
           ],
         }],
         ['os_posix == 1 and OS != "mac" and OS != "android" and OS != "ios"', {
           'conditions': [
-            # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
-            ['(use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1)', {
+            ['use_allocator!="none"', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         }],
         ['OS != "android"', {
           'sources!': [
             'test/spawned_test_server/remote_test_server.cc',
             'test/spawned_test_server/remote_test_server.h',
@@ skipping 665 matching lines @@
             'net_unittests.isolate',
           ],
           'sources': [
             'net_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }