Refactor FrameLoader loading interface

Source/web/WebViewImpl.cpp

Index: Source/web/WebViewImpl.cpp
diff --git a/Source/web/WebViewImpl.cpp b/Source/web/WebViewImpl.cpp
index 226d3a8fd36d3d9c09a5519510df01fba1c1e1e9..bf7518ab67e82638f923a8c34fcdf9be3c2a9dec 100644
--- a/Source/web/WebViewImpl.cpp
+++ b/Source/web/WebViewImpl.cpp
@@ -71,6 +71,7 @@
 #include "core/layout/TextAutosizer.h"
 #include "core/layout/compositing/DeprecatedPaintLayerCompositor.h"
 #include "core/loader/DocumentLoader.h"
+#include "core/loader/FrameLoadRequest.h"
 #include "core/loader/FrameLoader.h"
 #include "core/page/Chrome.h"
 #include "core/page/ContextMenuController.h"
@@ -2855,8 +2856,15 @@ void WebViewImpl::setPageEncoding(const WebString& encodingName)
         newEncodingName = encodingName;
     m_page->frameHost().setOverrideEncoding(newEncodingName);
 
-    if (m_page->mainFrame()->isLocalFrame())
-        m_page->deprecatedLocalMainFrame()->loader().reload(NormalReload);
+    if (m_page->mainFrame()->isLocalFrame()) {
+        if (!m_page->deprecatedLocalMainFrame()->loader().currentItem())
+            return;
+        FrameLoadRequest request = FrameLoader::frameRequestForReload(
+            m_page->deprecatedLocalMainFrame()->loader().resourceRequestForReload(
+                *m_page->deprecatedLocalMainFrame(), FrameLoadTypeReload, KURL(), ClientRedirect),
+            ClientRedirect);
+        m_page->deprecatedLocalMainFrame()->loader().load(request, FrameLoadTypeReload);
+    }
 }
 
 WebFrame* WebViewImpl::mainFrame()