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

ui/events/events.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,
   },
   'targets': [
     {
@@ skipping 345 matching lines @@
         'gesture_detection/velocity_tracker_unittest.cc',
         'gesture_detection/touch_disposition_gesture_filter_unittest.cc',
         'keycodes/dom4/keycode_converter_unittest.cc',
         'latency_info_unittest.cc',
         'ozone/evdev/key_event_converter_evdev_unittest.cc',
         'ozone/evdev/touch_event_converter_evdev_unittest.cc',
         'platform/platform_event_source_unittest.cc',
         'x/events_x_unittest.cc',
       ],
       'conditions': [
-        # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
-        ['OS=="linux" and ((use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1))', {
+        ['OS=="linux" and use_allocator!="none"', {
           'dependencies': [
             '<(DEPTH)/base/allocator/allocator.gyp:allocator',
           ],
         }],
         # Exclude tests that rely on event_utils.h for platforms that do not
         # provide native cracking, i.e., platforms that use events_stub.cc.
         ['OS!="win" and use_x11!=1 and use_ozone!=1', {
           'sources!': [
             'event_unittest.cc',
           ],
@@ skipping 20 matching lines @@
           ],
           'variables': {
             'test_suite_name': 'events_unittests',
           },
           'includes': [ '../../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }