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 e2403e80e8b77e32f506b5b7451c38c3a83e8754..8b6cdb20092fd5590252eb81fa5fdc69934e2b8c 100644
--- a/Source/core/loader/FrameLoader.cpp
+++ b/Source/core/loader/FrameLoader.cpp
@@ -1004,8 +1004,7 @@ 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;