Copy a newer release of cpplint.py from google-styleguide.

Review URL: http://codereview.chromium.org/147119

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@19206 0039d316-1c4b-4281-b951-d872f2087c98

README

@@ -14,6 +14,10 @@ This package contains:
   chrome-update-create-task.bat
     Creates a scheduled task to do an automatic local chromium build every day.
 
+  cpplint.py
+    A copy of our linting tool which enforces Google style. Fetched from
+    http://google-styleguide.googlecode.com/svn/trunk/cpplint/cpplint.py
+
   gcl
     A tool for uploading and managing code reviews on the Chromium
     project, using the Rietveld code review tool.  More info at:
@@ -39,4 +43,4 @@ Windows only).
 To update this distribution manually, run bootstrap\update.bat on Windows,
 or bootstrap/update.sh on Linux or Mac.
 
-To disable automatic updating, set the environment variable DEPOT_TOOLS_UPDATE=1
\ No newline at end of file
+To disable automatic updating, set the environment variable DEPOT_TOOLS_UPDATE=1