[tracing] Ignore tracing allocations in heap profiler

base/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.
 
 # HOW TO WRITE CONDITIONALS IN THIS FILE
 # ======================================
 #
 # In many other places, one would write a conditional that expresses all the
 # cases when a source file is used or unused, and then either add or subtract
 # it from the sources list in that case
@@ skipping 858 matching lines @@
     "trace_event/heap_profiler_allocation_context.cc",
     "trace_event/heap_profiler_allocation_context.h",
     "trace_event/heap_profiler_allocation_context_tracker.cc",
     "trace_event/heap_profiler_allocation_context_tracker.h",
     "trace_event/heap_profiler_allocation_register.cc",
     "trace_event/heap_profiler_allocation_register.h",
     "trace_event/heap_profiler_allocation_register_posix.cc",
     "trace_event/heap_profiler_allocation_register_win.cc",
     "trace_event/heap_profiler_heap_dump_writer.cc",
     "trace_event/heap_profiler_heap_dump_writer.h",
+    "trace_event/heap_profiler_scoped_ignore.cc",
+    "trace_event/heap_profiler_scoped_ignore.h",
     "trace_event/heap_profiler_stack_frame_deduplicator.cc",
     "trace_event/heap_profiler_stack_frame_deduplicator.h",
     "trace_event/heap_profiler_type_name_deduplicator.cc",
     "trace_event/heap_profiler_type_name_deduplicator.h",
     "trace_event/java_heap_dump_provider_android.cc",
     "trace_event/java_heap_dump_provider_android.h",
     "trace_event/memory_allocator_dump.cc",
     "trace_event/memory_allocator_dump.h",
     "trace_event/memory_allocator_dump_guid.cc",
     "trace_event/memory_allocator_dump_guid.h",
@@ skipping 1464 matching lines @@
 
   # GYP: //base.gyp:base_java_unittest_support
   android_library("base_java_unittest_support") {
     deps = [
       ":base_java",
     ]
     java_files =
         [ "test/android/java/src/org/chromium/base/ContentUriTestUtils.java" ]
   }
 }