diff -r 000000000000 -r 6474c204b198 dom/plugins/base/PluginPRLibrary.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/plugins/base/PluginPRLibrary.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,146 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: sw=4 ts=4 et :
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef PluginPRLibrary_h
+#define PluginPRLibrary_h 1
+
+#include "mozilla/PluginLibrary.h"
+#include "nsNPAPIPlugin.h"
+#include "npfunctions.h"
+
+namespace mozilla {
+
+class PluginPRLibrary : public PluginLibrary
+{
+public:
+    PluginPRLibrary(const char* aFilePath, PRLibrary* aLibrary) :
+#if defined(XP_UNIX) && !defined(XP_MACOSX)
+        mNP_Initialize(nullptr),
+#else
+        mNP_Initialize(nullptr),
+#endif
+        mNP_Shutdown(nullptr),
+        mNP_GetMIMEDescription(nullptr),
+#if defined(XP_UNIX) && !defined(XP_MACOSX)
+        mNP_GetValue(nullptr),
+#endif
+#if defined(XP_WIN) || defined(XP_MACOSX)
+        mNP_GetEntryPoints(nullptr),
+#endif
+        mNPP_New(nullptr),
+        mNPP_ClearSiteData(nullptr),
+        mNPP_GetSitesWithData(nullptr),
+        mLibrary(aLibrary),
+        mFilePath(aFilePath)
+    {
+        NS_ASSERTION(mLibrary, "need non-null lib");
+        // addref here??
+    }
+
+    virtual ~PluginPRLibrary()
+    {
+        // unref here??
+    }
+
+    virtual void SetPlugin(nsNPAPIPlugin*) { }
+
+    virtual bool HasRequiredFunctions() {
+        mNP_Initialize = (NP_InitializeFunc)
+            PR_FindFunctionSymbol(mLibrary, "NP_Initialize");
+        if (!mNP_Initialize)
+            return false;
+
+        mNP_Shutdown = (NP_ShutdownFunc)
+            PR_FindFunctionSymbol(mLibrary, "NP_Shutdown");
+        if (!mNP_Shutdown)
+            return false;
+
+        mNP_GetMIMEDescription = (NP_GetMIMEDescriptionFunc)
+            PR_FindFunctionSymbol(mLibrary, "NP_GetMIMEDescription");
+#ifndef XP_MACOSX
+        if (!mNP_GetMIMEDescription)
+            return false;
+#endif
+
+#if defined(XP_UNIX) && !defined(XP_MACOSX)
+        mNP_GetValue = (NP_GetValueFunc)
+            PR_FindFunctionSymbol(mLibrary, "NP_GetValue");
+        if (!mNP_GetValue)
+            return false;
+#endif
+
+#if defined(XP_WIN) || defined(XP_MACOSX)
+        mNP_GetEntryPoints = (NP_GetEntryPointsFunc)
+            PR_FindFunctionSymbol(mLibrary, "NP_GetEntryPoints");
+        if (!mNP_GetEntryPoints)
+            return false;
+#endif
+        return true;
+    }
+
+#if defined(XP_UNIX) && !defined(XP_MACOSX) && !defined(MOZ_WIDGET_GONK)
+    virtual nsresult NP_Initialize(NPNetscapeFuncs* bFuncs,
+                                   NPPluginFuncs* pFuncs, NPError* error);
+#else
+    virtual nsresult NP_Initialize(NPNetscapeFuncs* bFuncs,
+                                   NPError* error);
+#endif
+
+    virtual nsresult NP_Shutdown(NPError* error);
+    virtual nsresult NP_GetMIMEDescription(const char** mimeDesc);
+
+    virtual nsresult NP_GetValue(void *future, NPPVariable aVariable,
+                                 void *aValue, NPError* error);
+
+#if defined(XP_WIN) || defined(XP_MACOSX)
+    virtual nsresult NP_GetEntryPoints(NPPluginFuncs* pFuncs, NPError* error);
+#endif
+
+    virtual nsresult NPP_New(NPMIMEType pluginType, NPP instance,
+                             uint16_t mode, int16_t argc, char* argn[],
+                             char* argv[], NPSavedData* saved,
+                             NPError* error);
+
+    virtual nsresult NPP_ClearSiteData(const char* site, uint64_t flags,
+                                       uint64_t maxAge);
+    virtual nsresult NPP_GetSitesWithData(InfallibleTArray<nsCString>& result);
+
+    virtual nsresult AsyncSetWindow(NPP instance, NPWindow* window);
+    virtual nsresult GetImageContainer(NPP instance, mozilla::layers::ImageContainer** aContainer);
+    virtual nsresult GetImageSize(NPP instance, nsIntSize* aSize);
+    virtual bool IsOOP() MOZ_OVERRIDE { return false; }
+#if defined(XP_MACOSX)
+    virtual nsresult IsRemoteDrawingCoreAnimation(NPP instance, bool *aDrawing);
+    virtual nsresult ContentsScaleFactorChanged(NPP instance, double aContentsScaleFactor);
+#endif
+    virtual nsresult SetBackgroundUnknown(NPP instance) MOZ_OVERRIDE;
+    virtual nsresult BeginUpdateBackground(NPP instance,
+                                           const nsIntRect&, gfxContext** aCtx) MOZ_OVERRIDE;
+    virtual nsresult EndUpdateBackground(NPP instance,
+                                         gfxContext* aCtx, const nsIntRect&) MOZ_OVERRIDE;
+    virtual void GetLibraryPath(nsACString& aPath) { aPath.Assign(mFilePath); }
+
+private:
+    NP_InitializeFunc mNP_Initialize;
+    NP_ShutdownFunc mNP_Shutdown;
+    NP_GetMIMEDescriptionFunc mNP_GetMIMEDescription;
+#if defined(XP_UNIX) && !defined(XP_MACOSX)
+    NP_GetValueFunc mNP_GetValue;
+#endif
+#if defined(XP_WIN) || defined(XP_MACOSX)
+    NP_GetEntryPointsFunc mNP_GetEntryPoints;
+#endif
+    NPP_NewProcPtr mNPP_New;
+    NPP_ClearSiteDataPtr mNPP_ClearSiteData;
+    NPP_GetSitesWithDataPtr mNPP_GetSitesWithData;
+    PRLibrary* mLibrary;
+    nsCString mFilePath;
+};
+
+
+} // namespace mozilla
+
+#endif  // ifndef PluginPRLibrary_h