Move XMLHttpRequest related files to core/xmlhttprequest.

Source/core/core.gypi

Index: Source/core/core.gypi
diff --git a/Source/core/core.gypi b/Source/core/core.gypi
index 03300de2607466ef409206d444175e9f335c4e28..ea8c6e44fa448c8154770ce824e2f859cec4dae0 100644
--- a/Source/core/core.gypi
+++ b/Source/core/core.gypi
@@ -433,16 +433,16 @@
             'workers/WorkerConsole.idl',
             'workers/WorkerLocation.idl',
             'xml/DOMParser.idl',
-            'xml/XMLHttpRequest.idl',
-            'xml/XMLHttpRequestEventTarget.idl',
-            'xml/XMLHttpRequestProgressEvent.idl',
-            'xml/XMLHttpRequestUpload.idl',
             'xml/XMLSerializer.idl',
             'xml/XPathEvaluator.idl',
             'xml/XPathExpression.idl',
             'xml/XPathNSResolver.idl',
             'xml/XPathResult.idl',
             'xml/XSLTProcessor.idl',
+            'xmlhttprequest/XMLHttpRequest.idl',
+            'xmlhttprequest/XMLHttpRequestEventTarget.idl',
+            'xmlhttprequest/XMLHttpRequestProgressEvent.idl',
+            'xmlhttprequest/XMLHttpRequestUpload.idl',
         ],
         # core IDL files that have partial interfaces in modules.
         'core_idl_with_modules_dependency_files': [
@@ -535,7 +535,7 @@
             'html/track/TrackEvent.idl',
             'storage/StorageEvent.idl',
             'svg/SVGZoomEvent.idl',
-            'xml/XMLHttpRequestProgressEvent.idl',
+            'xmlhttprequest/XMLHttpRequestProgressEvent.idl',
         ],
         'webcore_files': [
             'Init.cpp',
@@ -1963,14 +1963,6 @@
             'xml/DocumentXPathEvaluator.h',
             'xml/NativeXPathNSResolver.cpp',
             'xml/NativeXPathNSResolver.h',
-            'xml/XMLHttpRequest.cpp',
-            'xml/XMLHttpRequest.h',
-            'xml/XMLHttpRequestEventTarget.h',
-            'xml/XMLHttpRequestProgressEvent.h',
-            'xml/XMLHttpRequestProgressEventThrottle.cpp',
-            'xml/XMLHttpRequestProgressEventThrottle.h',
-            'xml/XMLHttpRequestUpload.cpp',
-            'xml/XMLHttpRequestUpload.h',
             'xml/XMLSerializer.cpp',
             'xml/XMLSerializer.h',
             'xml/XPathEvaluator.cpp',
@@ -2022,6 +2014,14 @@
             'xml/parser/XMLErrors.cpp',
             'xml/parser/XMLErrors.h',
             'xml/parser/XMLParserInput.h',
+            'xmlhttprequest/XMLHttpRequest.cpp',
+            'xmlhttprequest/XMLHttpRequest.h',
+            'xmlhttprequest/XMLHttpRequestEventTarget.h',
+            'xmlhttprequest/XMLHttpRequestProgressEvent.h',
+            'xmlhttprequest/XMLHttpRequestProgressEventThrottle.cpp',
+            'xmlhttprequest/XMLHttpRequestProgressEventThrottle.h',
+            'xmlhttprequest/XMLHttpRequestUpload.cpp',
+            'xmlhttprequest/XMLHttpRequestUpload.h',
         ],
         'webcore_dom_files': [
             'dom/ActiveDOMObject.cpp',