Add dev_compiler to the SDK build process.

sdk/bin/dartdevc.bat

Index: sdk/bin/dartdevc.bat
diff --git a/sdk/bin/dartanalyzer.bat b/sdk/bin/dartdevc.bat
similarity index 90%
copy from sdk/bin/dartanalyzer.bat
copy to sdk/bin/dartdevc.bat
index a73427e7c3dc1051fa7b0debfebfe89b30ea33c6..4e0200528b09f6ccdbe1b019cc3de81c8b10d121 100644
--- a/sdk/bin/dartanalyzer.bat
+++ b/sdk/bin/dartdevc.bat
@@ -23,10 +23,6 @@ set SDK_ARG=--dart-sdk=%SDK_DIR%
 
 set EXTRA_VM_OPTIONS=
 
-if _%DARTANALYZER_DEVELOPER_MODE%_ == _1_ (
-  set EXTRA_VM_OPTIONS=%EXTRA_VM_OPTIONS% --checked
-)
-
 rem We allow extra vm options to be passed in through an environment variable.
 if not "_%DART_VM_OPTIONS%_" == "__" (
   set EXTRA_VM_OPTIONS=%EXTRA_VM_OPTIONS% %DART_VM_OPTIONS%
@@ -38,7 +34,7 @@ for %%i in ("%SDK_DIR%\..\") do set DART_ROOT=%%~fi
 rem Remove trailing backslash if there is one
 if %DART_ROOT:~-1%==\ set DART_ROOT=%DART_ROOT:~0,-1%
 
-set ANALYZER=%DART_ROOT%\pkg\analyzer_cli\bin\analyzer.dart
+set DEV_COMPILER=%DART_ROOT%\third_party\pkg\dev_compiler\bin\dartdevc.dart
 
 rem DART_CONFIGURATION defaults to ReleaseX64
 if "%DART_CONFIGURATION%"=="" set DART_CONFIGURATION=ReleaseX64
@@ -47,7 +43,7 @@ set BUILD_DIR=%DART_ROOT%\build\%DART_CONFIGURATION%
 
 set PACKAGE_ROOT=%BUILD_DIR%\packages
 
-"%DART%" %EXTRA_VM_OPTIONS% "--package-root=%PACKAGE_ROOT%" "%ANALYZER%" "%SDK_ARG%" %*
+"%DART%" %EXTRA_VM_OPTIONS% "--package-root=%PACKAGE_ROOT%" "DEV_COMPILER%" "%SDK_ARG%" %*
 
 endlocal