Bug 644431 - Adobe PDF Files Larger than 5 MB Won't Load in Browser. r=bz

netwerk/cache/nsCacheService.cpp

@@ -1827,6 +1827,7 @@ nsCacheService::EnsureEntryHasDevice(nsCacheEntry * entry)
         if (mDiskDevice) {
             // Bypass the cache if Content-Length says the entry will be too big
             if (predictedDataSize != -1 &&
+                entry->StoragePolicy() != nsICache::STORE_ON_DISK_AS_FILE &&
                 mDiskDevice->EntryIsTooBig(predictedDataSize)) {
                 nsresult rv = nsCacheService::DoomEntry(entry);
                 NS_ASSERTION(NS_SUCCEEDED(rv),"DoomEntry() failed.");

netwerk/cache/nsDiskCacheDevice.cpp

@@ -785,8 +785,10 @@ nsDiskCacheDevice::OnDataSizeChange(nsCacheEntry * entry, PRInt32 deltaSize)
     PRUint32  newSizeK =  ((newSize + 0x3FF) >> 10);
 
     // If the new size is larger than max. file size or larger than
-    // 1/8 the cache capacity (which is in KiB's), doom the entry and abort
-    if (EntryIsTooBig(newSize)) {
+    // 1/8 the cache capacity (which is in KiB's), and the entry has
+    // not been marked for file storage, doom the entry and abort.
+    if (EntryIsTooBig(newSize) &&
+        entry->StoragePolicy() != nsICache::STORE_ON_DISK_AS_FILE) {
 #ifdef DEBUG
         nsresult rv =
 #endif