Revert partially r200799, it would break the official builders.

Until r200514 is merged into every active branches on Windows, python can't be
upgraded to 2.7.x.

TBR=iannucci@chromium.org,joi@chromium.org
BUG=241769

Review URL: https://codereview.chromium.org/15294005

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@200800 0039d316-1c4b-4281-b951-d872f2087c98

bootstrap/win/python.new.bat

@@ -4,5 +4,5 @@
 :: found in the LICENSE file.
 
 setlocal
-set PATH=%~dp0python_274;%PATH%
+set PATH=%~dp0python_bin;%PATH%
-"%~dp0python_274\python.exe" %*
+"%~dp0python_bin\python.exe" %*

bootstrap/win/win_tools.bat

@@ -126,8 +126,8 @@ goto :END
 :PYTHON_INSTALL
 echo Installing python ...
 :: Cleanup python directory if it was existing.
-if exist "%WIN_TOOLS_ROOT_DIR%\python_274\." rd /q /s "%WIN_TOOLS_ROOT_DIR%\python_274"
+if exist "%WIN_TOOLS_ROOT_DIR%\python_bin\." rd /q /s "%WIN_TOOLS_ROOT_DIR%\python_bin"
-call svn co -q %WIN_TOOLS_ROOT_URL%/third_party/python_274 "%WIN_TOOLS_ROOT_DIR%\python_274"
+call svn co -q %WIN_TOOLS_ROOT_URL%/third_party/python_26 "%WIN_TOOLS_ROOT_DIR%\python_bin"
 if errorlevel 1 goto :PYTHON_FAIL
 :: Create the batch files.
 call copy /y "%~dp0python.new.bat" "%WIN_TOOLS_ROOT_DIR%\python.bat" 1>nul
@@ -138,7 +138,7 @@ goto :END
 
 :PYTHON_FAIL
 echo ... Failed to checkout python automatically.
-echo Please visit http://python.org to download the latest python 2.7.x client before
+echo Please visit http://python.org to download the latest python 2.x client before
 echo continuing.
 echo You can also get the "prebacked" version used at %WIN_TOOLS_ROOT_URL%/third_party/
 set ERRORLEVEL=1