Add the linux_use_debugallocation flag....

base/allocator/allocator.gyp

 # Copyright (c) 2009 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': {
     'jemalloc_dir': '../../third_party/jemalloc/chromium',
     'tcmalloc_dir': '../../third_party/tcmalloc/chromium',
   },
   'targets': [
@@ skipping 188 matching lines @@
         '<(tcmalloc_dir)/src/base/cycleclock.h',
         '<(tcmalloc_dir)/src/base/elfcore.h',
         '<(tcmalloc_dir)/src/base/googleinit.h',
         '<(tcmalloc_dir)/src/base/linux_syscall_support.h',
         '<(tcmalloc_dir)/src/base/simple_mutex.h',
         '<(tcmalloc_dir)/src/base/spinlock_linux-inl.h',
         '<(tcmalloc_dir)/src/base/spinlock_posix-inl.h',
         '<(tcmalloc_dir)/src/base/spinlock_win32-inl.h',
         '<(tcmalloc_dir)/src/base/stl_allocator.h',
         '<(tcmalloc_dir)/src/base/thread_annotations.h',
-        '<(tcmalloc_dir)/src/debugallocation.cc',
         '<(tcmalloc_dir)/src/getpc.h',
         '<(tcmalloc_dir)/src/google/heap-checker.h',
         '<(tcmalloc_dir)/src/google/heap-profiler.h',
         '<(tcmalloc_dir)/src/google/malloc_extension_c.h',
         '<(tcmalloc_dir)/src/google/malloc_hook.h',
         '<(tcmalloc_dir)/src/google/malloc_hook_c.h',
         '<(tcmalloc_dir)/src/google/profiler.h',
         '<(tcmalloc_dir)/src/google/stacktrace.h',
         '<(tcmalloc_dir)/src/memfs_malloc.cc',
         '<(tcmalloc_dir)/src/packed-cache-inl.h',
@@ skipping 74 matching lines @@
             '<(tcmalloc_dir)/src/heap-checker-bcad.cc',
             '<(tcmalloc_dir)/src/heap-checker.cc',
             '<(tcmalloc_dir)/src/heap-profiler.cc',
             '<(tcmalloc_dir)/src/memory_region_map.cc',
             '<(tcmalloc_dir)/src/memory_region_map.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',
+
+            # debugallocation
+            '<(tcmalloc_dir)/src/debugallocation.cc',
           ],
         }],
         ['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
           'sources!': [
             '<(tcmalloc_dir)/src/system-alloc.h',
             '<(tcmalloc_dir)/src/windows/port.cc',
             '<(tcmalloc_dir)/src/windows/port.h',
 
             # TODO(willchan): Support allocator shim later on.
             'allocator_shim.cc',
@@ skipping 11 matching lines @@
             '-fvisibility=hidden',
           ],
           'link_settings': {
             'ldflags': [
               # Don't let linker rip this symbol out, otherwise the heap&cpu
               # profilers will not initialize properly on startup.
               '-Wl,-uIsHeapProfilerRunning,-uProfilerStart',
               # Do the same for heap leak checker.
               '-Wl,-u_Z21InitialMallocHook_NewPKvj,-u_Z22InitialMallocHook_MMapPKvS0_jiiix,-u_Z22InitialMallocHook_SbrkPKvi',
               '-Wl,-u_Z21InitialMallocHook_NewPKvm,-u_Z22InitialMallocHook_MMapPKvS0_miiil,-u_Z22InitialMallocHook_SbrkPKvl',
-            ]},
-          }],
-          [ 'linux_use_heapchecker==0', {
-            # Do not compile and link the heapchecker source.
-            'sources!': [
-              '<(tcmalloc_dir)/src/heap-checker-bcad.cc',
-              '<(tcmalloc_dir)/src/heap-checker.cc',
-            ],
-            # Disable the heap checker in tcmalloc.
-            'cflags': [
-              '-DNO_HEAP_CHECK',
-            ],
-          }],
+          ]},
+        }],
+        [ 'linux_use_debugallocation==1', {
+          'sources!': [
+            # debugallocation.cc #includes tcmalloc.cc,
+            # so only one of them should be used.
+            '<(tcmalloc_dir)/src/tcmalloc.cc',
+          ],
+          'cflags': [
+            '-DTCMALLOC_FOR_DEBUGALLOCATION',
+          ],
+        }, { # linux_use_debugallocation != 1
+          'sources!': [
+            '<(tcmalloc_dir)/src/debugallocation.cc',
+          ],
+        }],
+        [ 'linux_use_heapchecker==0', {
+          # Do not compile and link the heapchecker source.
+          'sources!': [
+            '<(tcmalloc_dir)/src/heap-checker-bcad.cc',
+            '<(tcmalloc_dir)/src/heap-checker.cc',
+          ],
+          # Disable the heap checker in tcmalloc.
+          'cflags': [
+            '-DNO_HEAP_CHECK',
+          ],
+        }],
       ],
     },
     {
       'target_name': 'allocator_unittests',
       'type': 'executable',
       'dependencies': [
         'allocator',
         '../../testing/gtest.gyp:gtest',
       ],
       'include_dirs': [
@@ skipping 35 matching lines @@
       ],
     }],
   ],
 }
 
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