Unify the version string to be displayed on "About Chromium" dialog.

chrome/tools/build/win/version.bat

Index: chrome/tools/build/win/version.bat
diff --git a/chrome/tools/build/win/version.bat b/chrome/tools/build/win/version.bat
index c224e8aaaea9d053e53259510dd69ae32b23b6dd..f9610fc5b6ad18350f25089bafc44ac3c35862a6 100644
--- a/chrome/tools/build/win/version.bat
+++ b/chrome/tools/build/win/version.bat
@@ -11,6 +11,7 @@ set InFile=%~1
 set SolutionDir=%~2
 set IntDir=%~3
 set OutFile=%~4
+set LastChangeDir=%~5
 set VarsBat=%IntDir%/vers-vars.bat
 
 :: Put cygwin in the path
@@ -27,30 +28,9 @@ cat %SolutionDir%app\theme\%Distribution%\BRANDING | sed "s/\(.*\)/set \1/" >> %
 set OFFICIAL_BUILD=0
 if "%CHROME_BUILD_TYPE%" == "_official" set OFFICIAL_BUILD=1
 
-:: Look if subversion client is available. It may not be available on Windows
-:: if downloaded with a tarball or depot_tools is not in the PATH.
-call svn --version 2>nul 1>nul
-:: If not available, just skip getting the revision number.
-if errorlevel 1 goto :NO_SVN
-goto :SET_ENV
-
-
-:NO_SVN
-:: Not having svn makes it impossible to determine the current checkout revision
-:: number. On normal build, this is not an issue but for official builds, this
-:: *can't* be tolerated so issue an error instead. VS will pick it up corectly.
-set NO_SVN_LEVEL=error
-if "%OFFICIAL_BUILD%" == "0" set NO_SVN_LEVEL=warning
-echo %0(28) : %NO_SVN_LEVEL% : svn is not installed. Can't determine the revision number.
-echo set LASTCHANGE=0 >> %VarsBat%
-goto :GEN_FILE
-
-
-:SET_ENV
-call svn info | grep.exe "Revision:" | cut -d" " -f2- | sed "s/\(.*\)/set LASTCHANGE=\1/" >> %VarsBat%
+python %LastChangeDir%\lastchange.py | sed "s/\(.*\)/set \1/" >> %VarsBat%
 goto :GEN_FILE
 
-
 :GEN_FILE
 call %VarsBat%
 ::echo LastChange: %LASTCHANGE%