Add a Physical Web omnibox autocomplete provider

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/AnimationEffectReadOnly.idl',
             'animation/AnimationEffectTiming.idl',
@@ skipping 2660 matching lines @@
             'dom/StaticRange.cpp',
             'dom/StaticRange.h',
             'dom/StringCallback.cpp',
             'dom/StringCallback.h',
             'dom/StyleChangeReason.cpp',
             'dom/StyleChangeReason.h',
             'dom/StyleElement.cpp',
             'dom/StyleElement.h',
             'dom/StyleEngine.cpp',
             'dom/StyleEngine.h',
+            'dom/StyleEngineContext.cpp',
+            'dom/StyleEngineContext.h',
             'dom/StyleSheetCandidate.cpp',
             'dom/StyleSheetCandidate.h',
             'dom/StyleSheetCollection.cpp',
             'dom/StyleSheetCollection.h',
             'dom/TagCollection.cpp',
             'dom/TagCollection.h',
             'dom/TaskRunnerHelper.cpp',
             'dom/TaskRunnerHelper.h',
             'dom/Text.cpp',
             'dom/TextLinkColors.cpp',
@@ skipping 1343 matching lines @@
             'testing/TypeConversions.h',
             'testing/UnionTypesTest.cpp',
             'testing/UnionTypesTest.h',
             'testing/v8/WebCoreTestSupport.cpp',
             'testing/v8/WebCoreTestSupport.h',
             'testing/WorkerInternals.cpp',
             'testing/WorkerInternals.h',
         ],
     }
 }