allocator cleanup: Reorganize allocator.gyp for cleanup

base/allocator/BUILD.gn

 # Copyright (c) 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.
 
 import("//build/config/allocator.gni")
 
 declare_args() {
   # Provide a way to force disable debugallocation in Debug builds,
   # e.g. for profiling (it's more rare to profile Debug builds,
   # but people sometimes need to do that).
@@ skipping 231 matching lines @@
 
         # cpuprofiler
         "$tcmalloc_dir/src/base/thread_lister.c",
         "$tcmalloc_dir/src/base/thread_lister.h",
         "$tcmalloc_dir/src/profile-handler.cc",
         "$tcmalloc_dir/src/profile-handler.h",
         "$tcmalloc_dir/src/profiledata.cc",
         "$tcmalloc_dir/src/profiledata.h",
         "$tcmalloc_dir/src/profiler.cc",
       ]
-      defines += [ "PERFTOOLS_DLL_DECL=" ]
 
       configs -= [
         # Tcmalloc defines this itself, and we don't want duplicate definition
         # warnings.
         "//build/config/win:nominmax",
       ]
 
       public_configs = [ ":nocmt" ]
 
       deps += [ ":prep_libc" ]
@@ skipping 47 matching lines @@
   visibility = [ "//base/*" ]
   sources = [
     "allocator_extension_thunks.cc",
     "allocator_extension_thunks.h",
   ]
   if (is_android && !is_debug) {
     configs -= [ "//build/config/compiler:default_optimization" ]
     configs += [ "//build/config/compiler:optimize_max" ]
   }
 }