| Index: third_party/WebKit/Source/core/core.gypi
 | 
| diff --git a/third_party/WebKit/Source/core/core.gypi b/third_party/WebKit/Source/core/core.gypi
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| index aec4b53f5f07262d935706b57667a6e2f69d6852..bbb87aa097828cc09f6f0244e3ace4a3ac591492 100644
 | 
| --- a/third_party/WebKit/Source/core/core.gypi
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| +++ b/third_party/WebKit/Source/core/core.gypi
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| @@ -79,6 +79,8 @@
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|              'dom/Int16Array.idl',
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|              'dom/Int32Array.idl',
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|              'dom/Int8Array.idl',
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| +            'dom/IntersectionObserver.idl',
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| +            'dom/IntersectionObserverEntry.idl',
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|              'dom/Iterator.idl',
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|              'dom/MessageChannel.idl',
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|              'dom/MessagePort.idl',
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| @@ -2391,6 +2393,8 @@
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|              'dom/ElementDataCache.h',
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|              'dom/ElementFullscreen.cpp',
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|              'dom/ElementFullscreen.h',
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| +            'dom/ElementIntersectionObserverData.cpp',
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| +            'dom/ElementIntersectionObserverData.h',
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|              'dom/ElementRareData.cpp',
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|              'dom/ElementRareData.h',
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|              'dom/ElementTraversal.h',
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| @@ -2420,6 +2424,14 @@
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|              'dom/IgnoreDestructiveWriteCountIncrementer.h',
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|              'dom/IncrementLoadEventDelayCount.cpp',
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|              'dom/IncrementLoadEventDelayCount.h',
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| +            'dom/IntersectionObservation.cpp',
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| +            'dom/IntersectionObservation.h',
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| +            'dom/IntersectionObserver.cpp',
 | 
| +            'dom/IntersectionObserver.h',
 | 
| +            'dom/IntersectionObserverEntry.cpp',
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| +            'dom/IntersectionObserverEntry.h',
 | 
| +            'dom/IntersectionObserverController.cpp',
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| +            'dom/IntersectionObserverController.h',
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|              'dom/Iterator.h',
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|              'dom/LayoutTreeBuilder.cpp',
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|              'dom/LayoutTreeBuilder.h',
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| @@ -3577,6 +3589,7 @@
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|              'dom/DOMPointInit.idl',
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|              'dom/ElementRegistrationOptions.idl',
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|              'dom/IdleRequestOptions.idl',
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| +            'dom/IntersectionObserverInit.idl',
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|              'dom/MutationObserverInit.idl',
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|              'dom/shadow/ShadowRootInit.idl',
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|              'dom/TouchInit.idl',
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| @@ -3635,6 +3648,8 @@
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|              '<(blink_core_output_dir)/dom/ElementRegistrationOptions.h',
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|              '<(blink_core_output_dir)/dom/IdleRequestOptions.cpp',
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|              '<(blink_core_output_dir)/dom/IdleRequestOptions.h',
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| +            '<(blink_core_output_dir)/dom/IntersectionObserverInit.cpp',
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| +            '<(blink_core_output_dir)/dom/IntersectionObserverInit.h',
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|              '<(blink_core_output_dir)/dom/MutationObserverInit.cpp',
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|              '<(blink_core_output_dir)/dom/MutationObserverInit.h',
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|              '<(blink_core_output_dir)/dom/shadow/ShadowRootInit.cpp',
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| 
 |