Refactoring: Simplify DocumentWriter by reorganizing its lifetime.

Source/core/loader/FrameLoader.cpp

Index: Source/core/loader/FrameLoader.cpp
diff --git a/Source/core/loader/FrameLoader.cpp b/Source/core/loader/FrameLoader.cpp
index 110cf41ab19735ef20b91c4fe7b12b1829c9ae2b..89b9d2b8b82b3259e6efd57fbb1efd567e02820b 100644
--- a/Source/core/loader/FrameLoader.cpp
+++ b/Source/core/loader/FrameLoader.cpp
@@ -35,11 +35,6 @@
 #include "config.h"
 #include "core/loader/FrameLoader.h"
 
-#include <wtf/CurrentTime.h>
-#include <wtf/MemoryInstrumentationHashSet.h>
-#include <wtf/StdLibExtras.h>
-#include <wtf/text/CString.h>
-#include <wtf/text/WTFString.h>
 #include "HTMLNames.h"
 #include "SVGNames.h"
 #include "bindings/v8/DOMWrapperWorld.h"
@@ -114,7 +109,11 @@
 #include "weborigin/SchemeRegistry.h"
 #include "weborigin/SecurityOrigin.h"
 #include "weborigin/SecurityPolicy.h"
-
+#include "wtf/CurrentTime.h"
+#include "wtf/MemoryInstrumentationHashSet.h"
+#include "wtf/StdLibExtras.h"
+#include "wtf/text/CString.h"
+#include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
@@ -1029,8 +1028,7 @@ void FrameLoader::loadFrameRequest(const FrameLoadRequest& request, bool lockBac
     }
 }
 
-void FrameLoader::loadURL(const ResourceRequest& request, const String& frameName, FrameLoadType newLoadType,
-    PassRefPtr<Event> event, PassRefPtr<FormState> formState)
+void FrameLoader::loadURL(const ResourceRequest& request, const String& frameName, FrameLoadType newLoadType, PassRefPtr<Event> event, PassRefPtr<FormState> formState)
 {
     if (m_inStopAllLoaders)
         return;