VM: Add dart_precompiled build target, a standalone VM without the JIT compiler.

runtime/dart-runtime.gyp

Index: runtime/dart-runtime.gyp
diff --git a/runtime/dart-runtime.gyp b/runtime/dart-runtime.gyp
index e5c88053601bf53d0284adf03991f494543c04cb..fd3701e4dacea40a2238baed1af1a20a6af8511e 100644
--- a/runtime/dart-runtime.gyp
+++ b/runtime/dart-runtime.gyp
@@ -55,6 +55,40 @@
       },
     },
     {
+      'target_name': 'libdart_precompiled',
+      'type': 'static_library',
+      'dependencies': [
+        'libdart_lib',
+        'libdart_vm_precompiled',
+        'libdouble_conversion',
+        'generate_version_cc_file#host',
+      ],
+      'include_dirs': [
+        '.',
+      ],
+      'sources': [
+        'include/dart_api.h',
+        'include/dart_mirrors_api.h',
+        'include/dart_native_api.h',
+        'include/dart_tools_api.h',
+        'vm/dart_api_impl.cc',
+        'vm/debugger_api_impl.cc',
+        'vm/mirrors_api_impl.cc',
+        'vm/native_api_impl.cc',
+        'vm/version.h',
+        '<(version_cc_file)',
+      ],
+      'defines': [
+        # The only effect of DART_SHARED_LIB is to export the Dart API entries.
+        'DART_SHARED_LIB',
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          'include',
+        ],
+      },
+    },
+    {
       'target_name': 'generate_version_cc_file',
       'type': 'none',
       'toolsets':['host'],