Make JsEngine::Evaluate() return a wrapper for v8::Value to accessdifferent variable types easily

libadblockplus.gyp

 {
   'variables': {
     'have_curl': '<!(python check_curl.py)'
   },
   'includes': ['third_party/v8/build/common.gypi',
                'shell/shell.gyp'],
   'targets': [{
     'target_name': 'libadblockplus',
     'type': '<(library)',
     'include_dirs': [
       'include',
       'third_party/v8/include'
     ],
-    'defines': ['FILTER_ENGINE_STUBS=1'],
+    'defines': ['FILTER_ENGINE_STUBS=0'],
     'all_dependent_settings': {
-      'defines': ['FILTER_ENGINE_STUBS=1']
+      'defines': ['FILTER_ENGINE_STUBS=0']
     },
     'dependencies': ['third_party/v8/tools/gyp/v8.gyp:v8'],
     'sources': [
       'src/ConsoleJsObject.cpp',
       'src/ErrorCallback.cpp',
       'src/FileReader.cpp',
       'src/FilterEngine.cpp',
       'src/GlobalJsObject.cpp',
       'src/JsEngine.cpp',
+      'src/JsValue.cpp',
       'src/Thread.cpp',
       'src/WebRequestJsObject.cpp',
       '<(INTERMEDIATE_DIR)/adblockplus.js.cc'
     ],
     'direct_dependent_settings': {
       'include_dirs': ['include']
     },
     'export_dependent_settings': ['third_party/v8/tools/gyp/v8.gyp:v8'],
     'conditions': [
       ['have_curl==1',
@@ skipping 11 matching lines @@
         {
           'sources': [
             'src/DefaultWebRequestDummy.cpp',
           ]
         }
       ]
     ],
     'actions': [{
       'action_name': 'convert_js',
       'variables': {
-        'core_library_files': [
+        'library_files': [
           'lib/info.js',
           'lib/io.js',
           'lib/prefs.js',
           'lib/utils.js',
           'lib/elemHideHitRegistration.js',
           'adblockplus/lib/filterNotifier.js',
           'adblockplus/lib/filterClasses.js',
           'adblockplus/lib/subscriptionClasses.js',
           'adblockplus/lib/filterStorage.js',
           'adblockplus/lib/elemHide.js',
           'adblockplus/lib/matcher.js',
           'adblockplus/lib/filterListener.js',
           'adblockplus/lib/synchronizer.js',
         ],
-        'additional_library_files': [
+        'load_before_files': [
           'lib/compat.js'
         ],
+        'load_after_files': [
+          'lib/api.js'
+        ],
       },
       'inputs': [
         'convert_js.py',
-        '<@(core_library_files)',
-        '<@(additional_library_files)',
+        '<@(library_files)',
+        '<@(load_before_files)',
+        '<@(load_after_files)',
       ],
       'outputs': [
         '<(INTERMEDIATE_DIR)/adblockplus.js.cpp'
       ],
       'action': [
         'python',
         'convert_js.py',
-        '<@(core_library_files)',
-        '--',
-        '<@(additional_library_files)',
+        'before=<@(load_before_files)',
+        '<@(library_files)',
+        'after=<@(load_after_files)',
         '<@(_outputs)',
       ]
     }]
   },
   {
     'target_name': 'tests',
     'type': 'executable',
     'dependencies': [
       'third_party/googletest.gyp:googletest_main',
       'libadblockplus'
     ],
     'sources': [
       'test/ConsoleJsObject.cpp',
       'test/FilterEngineStubs.cpp',
       'test/GlobalJsObject.cpp',
       'test/JsEngine.cpp',
       'test/Thread.cpp',
       'test/WebRequest.cpp'
     ]
   }]
 }