bindings: Remove [EventConstructor] and [InitializedByEventConstructor]

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 3622 matching lines @@
             '<(blink_core_output_dir)/events/ApplicationCacheErrorEventInit.cpp',
             '<(blink_core_output_dir)/events/ApplicationCacheErrorEventInit.h',
             '<(blink_core_output_dir)/events/AutocompleteErrorEventInit.cpp',
             '<(blink_core_output_dir)/events/AutocompleteErrorEventInit.h',
             '<(blink_core_output_dir)/events/CompositionEventInit.cpp',
             '<(blink_core_output_dir)/events/CompositionEventInit.h',
             '<(blink_core_output_dir)/events/CustomEventInit.cpp',
             '<(blink_core_output_dir)/events/CustomEventInit.h',
             '<(blink_core_output_dir)/events/ErrorEventInit.cpp',
             '<(blink_core_output_dir)/events/ErrorEventInit.h',
-            '<(blink_core_output_dir)/events/EventInitDictionary.cpp',
-            '<(blink_core_output_dir)/events/EventInitDictionary.h',
+            '<(blink_core_output_dir)/events/EventInit.cpp',
+            '<(blink_core_output_dir)/events/EventInit.h',
             '<(blink_core_output_dir)/events/FocusEventInit.cpp',
             '<(blink_core_output_dir)/events/FocusEventInit.h',
             '<(blink_core_output_dir)/events/HashChangeEventInit.cpp',
             '<(blink_core_output_dir)/events/HashChangeEventInit.h',
             '<(blink_core_output_dir)/events/KeyboardEventInit.cpp',
             '<(blink_core_output_dir)/events/KeyboardEventInit.h',
             '<(blink_core_output_dir)/events/MessageEventInit.cpp',
             '<(blink_core_output_dir)/events/MessageEventInit.h',
             '<(blink_core_output_dir)/events/MouseEventInit.cpp',
             '<(blink_core_output_dir)/events/MouseEventInit.h',
@@ skipping 266 matching lines @@
             'style/ComputedStyleTest.cpp',
             'style/OutlineValueTest.cpp',
             'style/SVGComputedStyleTest.cpp',
             'testing/PrivateScriptTestTest.cpp',
             'timing/MemoryInfoTest.cpp',
             'workers/WorkerThreadTest.cpp',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }