Purge unpinned ashmem before parsing /proc/$pid/smaps.

tools/android/purge_ashmem/purge_ashmem.gyp

Index: tools/android/purge_ashmem/purge_ashmem.gyp
diff --git a/tools/android/memdump/memdump.gyp b/tools/android/purge_ashmem/purge_ashmem.gyp
similarity index 71%
copy from tools/android/memdump/memdump.gyp
copy to tools/android/purge_ashmem/purge_ashmem.gyp
index faa24d0737b7b61ac743a80672295643c1972098..842d7561bb3153239dc17397801e7db5418eb0c0 100644
--- a/tools/android/memdump/memdump.gyp
+++ b/tools/android/purge_ashmem/purge_ashmem.gyp
@@ -1,14 +1,17 @@
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Copyright 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.
 
 {
   'targets': [
     {
-      'target_name': 'memdump',
+      'target_name': 'purge_ashmem',
       'type': 'executable',
       'dependencies': [
-        '../../../base/base.gyp:base',
+        '../../../third_party/ashmem/ashmem.gyp:ashmem',
+      ],
+      'include_dirs': [
+        '../../../',
       ],
       'conditions': [
         # Warning: A PIE tool cannot run on ICS 4.0.4, so only
@@ -24,7 +27,7 @@
         }],
       ],
       'sources': [
-        'memdump.cc',
+        'purge_ashmem.c',
       ],
     },
   ],