Implemented basic heap memory allocation tracking in MallocHooks using hooks registered with tcmall…

runtime/bin/BUILD.gn

 # Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 import("gypi_contents.gni")
 import("../runtime_args.gni")
 
 # Generate a resources.cc file for the service isolate without Observatory.
 action("gen_resources_cc") {
   visibility = [ ":*" ]  # Only targets in this file can see this.
@@ skipping 277 matching lines @@
     "builtin.h",
 
     # Very limited native resolver provided.
     "builtin_common.cc",
     "builtin_gen_snapshot.cc",
     "gen_snapshot.cc",
     "vmservice_impl.cc",
     "vmservice_impl.h",
   ]
 
+  defines = []
   include_dirs = [ ".." ]
 
+  if (dart_use_tcmalloc) {
+    deps += [ "//third_party/tcmalloc" ]
+    defines += [ "DART_USE_TCMALLOC" ]
+    include_dirs += [ "../third_party/tcmalloc/gperftools/src" ]
+    include_dirs += [ "../third_party/tcmalloc/include" ]
+  }
+
   if (is_mac) {
     libs = [
       "CoreFoundation.framework",
       "CoreServices.framework",
     ]
   }
 
   if (is_win) {
     libs = [
       "iphlpapi.lib",
@@ skipping 540 matching lines @@
   defines = [
     # The only effect of DART_SHARED_LIB is to export the Dart API.
     "DART_SHARED_LIB",
   ]
   if (is_win) {
     libs = [ "dart.lib" ]
     abs_root_out_dir = rebase_path(root_out_dir)
     ldflags = [ "/LIBPATH:$abs_root_out_dir" ]
   }
 }