Revert 138962

Source/WebCore/platform/network/chromium/ResourceHandle.cpp

Index: Source/WebCore/platform/network/chromium/ResourceHandle.cpp
===================================================================
--- Source/WebCore/platform/network/chromium/ResourceHandle.cpp	(revision 141117)
+++ Source/WebCore/platform/network/chromium/ResourceHandle.cpp	(working copy)
@@ -277,6 +277,22 @@
 }
 
 // static
+bool ResourceHandle::willLoadFromCache(ResourceRequest& request, Frame*)
+{
+    // This method is used to determine if a POST request can be repeated from
+    // cache, but you cannot really know until you actually try to read from the
+    // cache. Even if we checked now, something else could come along and wipe
+    // out the cache entry by the time we fetch it.
+    //
+    // So, we always say yes here, to prevent the FrameLoader from initiating a
+    // reload. Then in FrameLoaderClientImpl::dispatchWillSendRequest, we
+    // fix-up the cache policy of the request to force a load from the cache.
+    //
+    ASSERT(request.httpMethod() == "POST");
+    return true;
+}
+
+// static
 void ResourceHandle::cacheMetadata(const ResourceResponse& response, const Vector<char>& data)
 {
     WebKit::Platform::current()->cacheMetadata(response.url(), response.responseTime(), data.data(), data.size());