Move HTMLContentElement & HTMLShadowElement out of shadow/

Source/core/core.gypi

Index: Source/core/core.gypi
diff --git a/Source/core/core.gypi b/Source/core/core.gypi
index 8081d8acd53fd0a2195136a1c7f4a4ee36864494..cfaa5333b1bbada32d7d5e3b319cda0356de501c 100644
--- a/Source/core/core.gypi
+++ b/Source/core/core.gypi
@@ -141,6 +141,7 @@
             'html/HTMLButtonElement.idl',
             'html/HTMLCanvasElement.idl',
             'html/HTMLCollection.idl',
+            'html/HTMLContentElement.idl',
             'html/HTMLDListElement.idl',
             'html/HTMLDataListElement.idl',
             'html/HTMLDetailsElement.idl',
@@ -188,6 +189,7 @@
             'html/HTMLQuoteElement.idl',
             'html/HTMLScriptElement.idl',
             'html/HTMLSelectElement.idl',
+            'html/HTMLShadowElement.idl',
             'html/HTMLSourceElement.idl',
             'html/HTMLSpanElement.idl',
             'html/HTMLStyleElement.idl',
@@ -253,8 +255,6 @@
             'html/canvas/WebGLUniformLocation.idl',
             'html/canvas/WebGLVertexArrayObjectOES.idl',
             'html/ime/InputMethodContext.idl',
-            'html/shadow/HTMLContentElement.idl',
-            'html/shadow/HTMLShadowElement.idl',
             'html/track/TextTrack.idl',
             'html/track/TextTrackCue.idl',
             'html/track/TextTrackCueList.idl',
@@ -2213,6 +2213,8 @@
             'html/HTMLCanvasElement.cpp',
             'html/HTMLCanvasElement.h',
             'html/HTMLCollection.cpp',
+            'html/HTMLContentElement.cpp',
+            'html/HTMLContentElement.h',
             'html/HTMLDListElement.cpp',
             'html/HTMLDListElement.h',
             'html/HTMLDataListElement.cpp',
@@ -2319,6 +2321,8 @@
             'html/HTMLSelectElement.cpp',
             'html/HTMLSelectElement.h',
             'html/HTMLSelectElementWin.cpp',
+            'html/HTMLShadowElement.cpp',
+            'html/HTMLShadowElement.h',
             'html/HTMLSourceElement.cpp',
             'html/HTMLSourceElement.h',
             'html/HTMLSpanElement.cpp',
@@ -2660,10 +2664,6 @@
             'html/shadow/DateTimeSymbolicFieldElement.h',
             'html/shadow/DetailsMarkerControl.cpp',
             'html/shadow/DetailsMarkerControl.h',
-            'html/shadow/HTMLContentElement.cpp',
-            'html/shadow/HTMLContentElement.h',
-            'html/shadow/HTMLShadowElement.cpp',
-            'html/shadow/HTMLShadowElement.h',
             'html/shadow/MediaControlElementTypes.cpp',
             'html/shadow/MediaControlElementTypes.h',
             'html/shadow/MediaControlElements.cpp',