Revert 138962

Source/WebCore/platform/network/mac/ResourceHandleMac.mm

Index: Source/WebCore/platform/network/mac/ResourceHandleMac.mm
===================================================================
--- Source/WebCore/platform/network/mac/ResourceHandleMac.mm	(revision 141117)
+++ Source/WebCore/platform/network/mac/ResourceHandleMac.mm	(working copy)
@@ -357,6 +357,19 @@
     return false;
 }
 
+bool ResourceHandle::willLoadFromCache(ResourceRequest& request, Frame*)
+{
+    request.setCachePolicy(ReturnCacheDataDontLoad);
+    NSURLResponse *nsURLResponse = nil;
+    BEGIN_BLOCK_OBJC_EXCEPTIONS;
+
+    [NSURLConnection sendSynchronousRequest:request.nsURLRequest() returningResponse:&nsURLResponse error:nil];
+    
+    END_BLOCK_OBJC_EXCEPTIONS;
+    
+    return nsURLResponse;
+}
+
 CFStringRef ResourceHandle::synchronousLoadRunLoopMode()
 {
     return CFSTR("WebCoreSynchronousLoaderRunLoopMode");