Support startup performance tests on Galaxy S3

build/android/pylib/valgrind_tools.py

 # 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.
 
 """
 Classes in this file define additional actions that need to be taken to run a
 test under some kind of runtime error detection tool.
 
 The interface is intended to be used as follows.
 
@@ skipping 17 matching lines @@
 from constants import CHROME_DIR
 
 
 def SetChromeTimeoutScale(adb, scale):
   """Sets the timeout scale in /data/local/tmp/chrome_timeout_scale to scale."""
   path = '/data/local/tmp/chrome_timeout_scale'
   if not scale or scale == 1.0:
     # Delete if scale is None/0.0/1.0 since the default timeout scale is 1.0
     adb.RunShellCommand('rm %s' % path)
   else:
-    adb.SetFileContents(path, '%f' % scale)
+    adb.SetProtectedFileContents(path, '%f' % scale)
 
 
 class BaseTool(object):
   """A tool that does nothing."""
 
   def GetTestWrapper(self):
     """Returns a string that is to be prepended to the test command line."""
     return ''
 
   def GetUtilWrapper(self):
@@ skipping 199 matching lines @@
   if not tool_name:
     return BaseTool()
 
   ctor = TOOL_REGISTRY.get(tool_name)
   if ctor:
     return ctor(adb)
   else:
     print 'Unknown tool %s, available tools: %s' % (
         tool_name, ', '.join(sorted(TOOL_REGISTRY.keys())))
     sys.exit(1)