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

cc/cc_tests.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
     'cc_unit_tests_source_files': [
       'animation/animation_unittest.cc',
       'animation/keyframed_animation_curve_unittest.cc',
@@ skipping 250 matching lines @@
         ['OS == "android" and gtest_target_type == "shared_library"',
           {
             'dependencies': [
               '../testing/android/native_test.gyp:native_test_native_code',
             ],
           }
         ],
         [ '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',
                   ],
                 }
               ],
             ],
           }
         ],
       ],
@@ skipping 38 matching lines @@
       ],
       'conditions': [
         ['OS == "android" and gtest_target_type == "shared_library"',
           {
             'dependencies': [
               '../testing/android/native_test.gyp:native_test_native_code',
             ],
           }
         ],
         # See http://crbug.com/162998#c4 for why this is needed.
-        # 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': [
               '../base/allocator/allocator.gyp:allocator',
             ],
           }
         ],
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
@@ skipping 55 matching lines @@
             'variables': {
               'test_suite_name': 'cc_perftests',
             },
             'includes': [ '../build/apk_test.gypi' ],
           },
         ],
       }
     ]
   ],
 }