tcmalloc: Only include cpu profiler in profiling=1 builds.

base/allocator/allocator.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': {
     'tcmalloc_dir': '../../third_party/tcmalloc/chromium',
     'use_vtable_verify%': 0,
   },
   'targets': [
@@ skipping 349 matching lines @@
             '<(tcmalloc_dir)/src/base/vdso_support.cc',
             '<(tcmalloc_dir)/src/base/vdso_support.h',
             '<(tcmalloc_dir)/src/maybe_threads.cc',
             '<(tcmalloc_dir)/src/maybe_threads.h',
             '<(tcmalloc_dir)/src/symbolize.h',
             '<(tcmalloc_dir)/src/system-alloc.cc',
             '<(tcmalloc_dir)/src/system-alloc.h',
 
             # included by allocator_shim.cc
             'debugallocation_shim.cc',
-
+          ],
+        }],
+        ['OS=="win" or profiling!=1', {
+          'sources!': [
             # cpuprofiler
             '<(tcmalloc_dir)/src/base/thread_lister.c',
             '<(tcmalloc_dir)/src/base/thread_lister.h',
             '<(tcmalloc_dir)/src/profiledata.cc',
             '<(tcmalloc_dir)/src/profiledata.h',
             '<(tcmalloc_dir)/src/profile-handler.cc',
             '<(tcmalloc_dir)/src/profile-handler.h',
             '<(tcmalloc_dir)/src/profiler.cc',
           ],
         }],
@@ skipping 236 matching lines @@
           'sources': [
             'type_profiler_map_unittest.cc',
             '<(tcmalloc_dir)/src/gperftools/type_profiler_map.h',
             '<(tcmalloc_dir)/src/type_profiler_map.cc',
           ],
         },
       ],
     }],
   ],
 }