Adds TCMalloc support for Android.

third_party/tcmalloc/chromium/src/base/commandlineflags.h

Index: third_party/tcmalloc/chromium/src/base/commandlineflags.h
diff --git a/third_party/tcmalloc/chromium/src/base/commandlineflags.h b/third_party/tcmalloc/chromium/src/base/commandlineflags.h
index 6c53bd29e4a2805013f8b6256e115f7a351c2bb4..d590ef20d296f9b30b968783a4467d38b884eb22 100644
--- a/third_party/tcmalloc/chromium/src/base/commandlineflags.h
+++ b/third_party/tcmalloc/chromium/src/base/commandlineflags.h
@@ -1,10 +1,10 @@
 // Copyright (c) 2005, Google Inc.
 // All rights reserved.
-// 
+//

[Dai Mikurube (NOT FULLTIME), 2013/05/03 08:53:00]

nit: unnecessary deletion of whitespace

[bulach, 2013/05/07 14:55:51]

my editor is configured to trim whitespaces automatically... :(
however, with your latest edits this file has been reverted anwyays..

 // 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
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ -14,7 +14,7 @@
 //     * Neither the name of Google Inc. nor the names of its
 // contributors may be used to endorse or promote products derived from
 // this software without specific prior written permission.
-// 
+//
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
@@ -121,7 +121,7 @@
 
 #if defined(__ANDROID__) || defined(ANDROID)
 
-char g_system_property_value[PROP_VALUE_MAX];
+static char g_system_property_value[PROP_VALUE_MAX];

[Dai Mikurube (NOT FULLTIME), 2013/05/03 08:53:00]

It's not required with my recent patch.

[bulach, 2013/05/07 14:55:51]

Done.

 
 inline const char* EnvToString(const char* envname, const char* dflt) {
   if (__system_property_get(envname, g_system_property_value) > 0)