Revert of Simplify starting a navigation

third_party/WebKit/Source/core/loader/FrameFetchContext.cpp

Index: third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp b/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
index 6630e9b8d804d65e8cf48e8f5442a477a32632c0..ff2440b743be8cb317de7c30c52d08a254af3a09 100644
--- a/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameFetchContext.cpp
@@ -309,13 +309,10 @@
     return m_documentLoader == frame()->loader().documentLoader();
 }
 
-void FrameFetchContext::willStartLoadingResource(ResourceRequest& request, FetchResourceType type)
-{
-    if (!m_documentLoader)
-        return;
-    if (type == FetchMainResource)
-        m_documentLoader->applicationCacheHost()->willStartLoadingMainResource(request);
-    m_documentLoader->applicationCacheHost()->willStartLoadingResource(request);
+void FrameFetchContext::willStartLoadingResource(ResourceRequest& request)
+{
+    if (m_documentLoader)
+        m_documentLoader->applicationCacheHost()->willStartLoadingResource(request);
 }
 
 void FrameFetchContext::didLoadResource()