Issue #1234 - Add unit tests for TrimString

adblockplus.gyp

 {
   'includes': ['defaults.gypi'],
 
   'variables': {
     'build_type%': 'devbuild',
     'build_version%': '',
   },
 
   'target_defaults': {
     'conditions': [
@@ skipping 192 matching lines @@
     'target_name': 'tests',
     'type': 'executable',
     'dependencies': [
       'shared',
       'libadblockplus/third_party/googletest.gyp:googletest_main',
     ],
     'sources': [
       'test/CommunicationTest.cpp',
       'test/DictionaryTest.cpp',
       'test/RegistryTest.cpp',
+      'test/UtilTest.cpp',
     ],
     'defines': ['WINVER=0x0501'],
     'link_settings': {
       'libraries': ['-ladvapi32', '-lshell32', '-lole32'],
     },
     'msvs_settings': {
       'VCLinkerTool': {
         'SubSystem': '1',   # Console
         'EntryPointSymbol': 'mainCRTStartup',
       },
@@ skipping 76 matching lines @@
       'Release': {
         'msvs_settings': {
           'VCLinkerTool': {
             'AdditionalDependencies': ['atls.lib'],
           },
         },
       },
     },
   }]
 }