Fix temp dir path for Android.

"/data/local/tmp" is not writable by applications.
BUG=125059

TEST=


Review URL: https://chromiumcodereview.appspot.com/10332218

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@137719 0039d316-1c4b-4281-b951-d872f2087c98

base/file_util_android.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
 #include "base/file_util.h"
 
 #include "base/file_path.h"
+#include "base/path_service.h"
 
 namespace file_util {
 
 bool GetShmemTempDir(FilePath* path, bool executable) {
-  *path = FilePath("/data/local/tmp");
-  return true;
+  return PathService::Get(base::DIR_CACHE, path);
 }
 
 }  // namespace file_util

base/file_util_posix.cc

@@ -38,6 +38,7 @@
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
+#include "base/path_service.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
@@ -920,7 +921,7 @@ bool GetTempDir(FilePath* path) {
     *path = FilePath(tmp);
   else
 #if defined(OS_ANDROID)
-    *path = FilePath("/data/local/tmp");
+    return PathService::Get(base::DIR_CACHE, path);
 #else
     *path = FilePath("/tmp");
 #endif