Merge google-perftools r109 (the current contents of third_party/tcmalloc/vendor)

third_party/tcmalloc/chromium/src/tests/sampling_test.sh

 #!/bin/sh
 
 # Copyright (c) 2008, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
@@ skipping 63 matching lines @@
 mkdir "$OUTDIR" || die "Unable to create $OUTDIR"
 
 # This puts the output into out.heap and out.growth.  It allocates
 # 8*10^7 bytes of memory, which is 76M.  Because we sample, the
 # estimate may be a bit high or a bit low: we accept anything from
 # 50M to 99M.
 "$SAMPLING_TEST" "$OUTDIR/out"
 
 echo "Testing heap output..."
 "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.heap" \
-   | grep '^ *[5-9][0-9]\.[0-9][ 0-9.%]*_*AllocateAllocate' >/dev/null \
+   | grep '[5-9][0-9]\.[0-9][ 0-9.%]*_*AllocateAllocate' >/dev/null \
    || die "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.heap"
 echo "OK"
 
 echo "Testing growth output..."
 "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.growth" \
-   | grep '^ *[5-9][0-9]\.[0-9][ 0-9.%]*_*AllocateAllocate' >/dev/null \
+   | grep '[5-9][0-9]\.[0-9][ 0-9.%]*_*AllocateAllocate' >/dev/null \
    || die "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.growth"
 echo "OK"
 
 echo "PASS"