Enable hyphens: auto and none in BreakingContext

third_party/WebKit/Source/core/core.gypi

 {
     'includes': [
         'core_generated.gypi',
     ],
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/KeyframeEffect.idl',
             'animation/EffectModel.idl',
             'animation/AnimationEffectReadOnly.idl',
@@ skipping 3866 matching lines @@
             'testing/GCObservation.h',
             'testing/GarbageCollectedScriptWrappable.cpp',
             'testing/GarbageCollectedScriptWrappable.h',
             'testing/InternalSettings.cpp',
             'testing/InternalSettings.h',
             'testing/Internals.cpp',
             'testing/Internals.h',
             'testing/LayerRect.h',
             'testing/LayerRectList.cpp',
             'testing/LayerRectList.h',
+            'testing/MockHyphenation.cpp',
+            'testing/MockHyphenation.h',
             'testing/NullExecutionContext.cpp',
             'testing/NullExecutionContext.h',
             'testing/PrivateScriptTest.cpp',
             'testing/PrivateScriptTest.h',
             'testing/TypeConversions.h',
             'testing/UnionTypesTest.cpp',
             'testing/UnionTypesTest.h',
             'testing/v8/WebCoreTestSupport.cpp',
             'testing/v8/WebCoreTestSupport.h',
             'testing/WorkerInternals.cpp',
@@ skipping 229 matching lines @@
             'svg/UnsafeSVGAttributeSanitizationTest.cpp',
             'testing/PrivateScriptTestTest.cpp',
             'timing/MemoryInfoTest.cpp',
             'timing/PerformanceBaseTest.cpp',
             'workers/WorkerThreadTest.cpp',
             'workers/WorkerThreadTestHelper.h',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }