Clean up scripts to run Java-based analyzer.

sdk/bin/dartanalyzer_developer.bat

Index: sdk/bin/dartanalyzer_developer.bat
diff --git a/sdk/bin/dartanalyzer_developer.bat b/sdk/bin/dartanalyzer_developer.bat
index fcea2aa6ee379ebe0c24dbfa7f0cf57f2a8f7dff..b560fe8d3c096d99fd17044d8e4eedd5e3f96908 100644
--- a/sdk/bin/dartanalyzer_developer.bat
+++ b/sdk/bin/dartanalyzer_developer.bat
@@ -1,27 +1,10 @@
 @echo off
-rem Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
-rem for details. All rights reserved. Use of this source code is governed by a
-rem BSD-style license that can be found in the LICENSE file.
-rem 
-
-rem This file is used to execute the analyzer by running the jar file.
-rem It is a simple wrapper enabling us to have simpler command lines in
-rem the testing infrastructure.
-
-set SCRIPTPATH=%~dp0
-
-rem Does the path have a trailing slash? If so, remove it.
-if %SCRIPTPATH:~-1%==\ set SCRIPTPATH=%SCRIPTPATH:~0,-1%
-
-rem DART_CONFIGURATION defaults to ReleaseIA32
-if "%DART_CONFIGURATION%"=="" set DART_CONFIGURATION=ReleaseIA32
-
-set arguments=%*
-
-set "SDK_DIR=%SCRIPTPATH%\..\..\build\%DART_CONFIGURATION%\dart-sdk"
-
-set "JAR_DIR=%SCRIPTPATH%\..\..\build\%DART_CONFIGURATION%\dartanalyzer"
-
-set "JAR_FILE=%JAR_DIR%\dartanalyzer.jar"
-
-java -jar "%JAR_FILE%" --dart-sdk "%SDK_DIR%" %arguments%
+REM Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+REM for details. All rights reserved. Use of this source code is governed by a
+REM BSD-style license that can be found in the LICENSE file.
+
+setlocal
+set DARTANALYZER_DEVELOPER_MODE=1
+call "%~dp0dartanalyzer.bat" %*
+endlocal
+exit /b %errorlevel%