diff --git a/base/allocator/allocator.gyp b/base/allocator/allocator.gyp
index c20325d..0e34390 100644
--- a/base/allocator/allocator.gyp
+++ b/base/allocator/allocator.gyp
@@ -238,6 +238,7 @@
             '<(tcmalloc_dir)/src/base/atomicops-internals-linuxppc.h',
             '<(tcmalloc_dir)/src/base/atomicops-internals-macosx.h',
             '<(tcmalloc_dir)/src/base/atomicops-internals-x86-msvc.h',
+            '<(tcmalloc_dir)/src/base/atomicops-internals-x86.cc',
             '<(tcmalloc_dir)/src/base/atomicops-internals-x86.h',
             '<(tcmalloc_dir)/src/base/atomicops.h',
             '<(tcmalloc_dir)/src/base/basictypes.h',

Add patch to fix multiple definition of 'AtomicOps_Internalx86CPUFeatures'
Add patch to fix multiple definition of 'AtomicOps_Internalx86CPUFeatures'

See also:
https://code.google.com/p/chromium/issues/detail?id=455263
