Remove DOM prefix from several IDL interfaces

Source/core/core.gypi

Index: Source/core/core.gypi
diff --git a/Source/core/core.gypi b/Source/core/core.gypi
index c13fa80b4bdbbd9d364933803932542f5a94d938..0118d21b4a30168a3f71a8cb8952347531f64d93 100644
--- a/Source/core/core.gypi
+++ b/Source/core/core.gypi
@@ -2,6 +2,7 @@
 {
     'variables': {
         'core_idl_files': [
+            'css/CSS.idl',
             'css/CSSCharsetRule.idl',
             'css/CSSFontFaceLoadEvent.idl',
             'css/CSSFontFaceRule.idl',
@@ -22,7 +23,6 @@
             'css/CSSValue.idl',
             'css/CSSValueList.idl',
             'css/Counter.idl',
-            'css/DOMWindowCSS.idl',
             'css/FontLoader.idl',
             'css/MediaList.idl',
             'css/MediaQueryList.idl',
@@ -114,10 +114,9 @@
             'fileapi/FileList.idl',
             'fileapi/FileReader.idl',
             'fileapi/FileReaderSync.idl',
-            'html/DOMFormData.idl',
             'html/DOMSettableTokenList.idl',
             'html/DOMTokenList.idl',
-            'html/DOMURL.idl',
+            'html/FormData.idl',
             'html/HTMLAllCollection.idl',
             'html/HTMLAnchorElement.idl',
             'html/HTMLAppletElement.idl',
@@ -200,6 +199,7 @@
             'html/RadioNodeList.idl',
             'html/TextMetrics.idl',
             'html/TimeRanges.idl',
+            'html/URL.idl',
             'html/ValidityState.idl',
             'html/VoidCallback.idl',
             'html/canvas/ArrayBuffer.idl',
@@ -268,8 +268,6 @@
             'page/Console.idl',
             'page/Crypto.idl',
             'page/DOMPoint.idl',
-            'page/DOMSecurityPolicy.idl',
-            'page/DOMSelection.idl',
             'page/DOMWindow.idl',
             'page/DOMWindowPagePopup.idl',
             'page/EventSource.idl',
@@ -286,6 +284,8 @@
             'page/PerformanceResourceTiming.idl',
             'page/PerformanceTiming.idl',
             'page/Screen.idl',
+            'page/SecurityPolicy.idl',
+            'page/Selection.idl',
             'page/SpeechInputEvent.idl',
             'page/SpeechInputResult.idl',
             'page/SpeechInputResultList.idl',