Add use_allocator instead of linux_use_tcmalloc to switch the allocator.

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 2184 matching lines @@
           ],
         }],
         [ 'toolkit_uses_gtk == 1', {
             'dependencies': [
               '../build/linux/system.gyp:gtk',
             ],
           },
         ],
         [ 'os_posix == 1 and OS != "mac" and OS != "android" and OS != "ios"', {
           'conditions': [
-            ['linux_use_tcmalloc==1', {
+            # 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)', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         }],
         [ 'use_kerberos==1', {
           'defines': [
             'USE_KERBEROS',
           ],
@@ skipping 327 matching lines @@
               ],
             }, {
               'dependencies': [
                 '../build/linux/system.gyp:ssl',
               ],
             }],
           ],
         }],
         ['os_posix == 1 and OS != "mac" and OS != "android" and OS != "ios"', {
           'conditions': [
-            ['linux_use_tcmalloc==1', {
+            # 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)', {
               '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 675 matching lines @@
             'net_unittests.isolate',
           ],
           'sources': [
             'net_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }