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Fixing 157627 -- prevent unnecessary writing plugin info to registry which causes indefinite bloat, r=av, sr=dveditz, a=asa
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@ -5572,6 +5572,19 @@ nsPluginHostImpl::LoadXPCOMPlugins(nsIComponentManager* aComponentManager)
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PRBool bAddIt = PR_TRUE;
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// Find the same plugin in our cache and mark it as 'unwanted' so this plugin will
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// just be added to the list without being detected as new.
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// Note: Our XPCOM plugin probably shouldn't be in this list. If it is, it has been
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// cached twice in the registry:
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// a) ApplicationComponentRegistry: probably by the installer or regxpcom
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// b) ApplicationRegistry: by us in |nsPluginHostImpl::CachePluginsInfo|
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nsPluginTag *cachedTag = RemoveCachedPluginsInfo(filename.get());
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if (cachedTag) {
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cachedTag->Mark(NS_PLUGIN_FLAG_UNWANTED);
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cachedTag->mNext = mCachedPlugins;
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mCachedPlugins = cachedTag;
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}
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// skip it if we already have it
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if (HaveSamePlugin(tag))
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bAddIt = PR_FALSE;
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