diff -r 000000000000 -r 6474c204b198 widget/gonk/libdisplay/GonkDisplayJB.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/gonk/libdisplay/GonkDisplayJB.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,75 @@
+/* Copyright 2013 Mozilla Foundation and Mozilla contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef GONKDISPLAYJB_H
+#define GONKDISPLAYJB_H
+
+#include "GonkDisplay.h"
+#include "FramebufferSurface.h"
+#include "hardware/hwcomposer.h"
+#include "hardware/power.h"
+#include "ui/Fence.h"
+#include "utils/RefBase.h"
+
+namespace mozilla {
+
+class GonkDisplayJB : public GonkDisplay {
+public:
+    GonkDisplayJB();
+    ~GonkDisplayJB();
+
+    virtual ANativeWindow* GetNativeWindow();
+
+    virtual void SetEnabled(bool enabled);
+
+    virtual void OnEnabled(OnEnabledCallbackType callback);
+
+    virtual void* GetHWCDevice();
+
+    virtual void* GetFBSurface();
+
+    virtual bool SwapBuffers(EGLDisplay dpy, EGLSurface sur);
+
+    virtual ANativeWindowBuffer* DequeueBuffer();
+
+    virtual bool QueueBuffer(ANativeWindowBuffer* buf);
+
+    virtual void UpdateFBSurface(EGLDisplay dpy, EGLSurface sur);
+
+    virtual void SetFBReleaseFd(int fd);
+
+    virtual int GetPrevFBAcquireFd();
+
+    bool Post(buffer_handle_t buf, int fence);
+
+private:
+    hw_module_t const*        mModule;
+    hw_module_t const*        mFBModule;
+    hwc_composer_device_1_t*  mHwc;
+    framebuffer_device_t*     mFBDevice;
+    power_module_t*           mPowerModule;
+    android::sp<android::FramebufferSurface> mFBSurface;
+    android::sp<ANativeWindow> mSTClient;
+    android::sp<android::IGraphicBufferAlloc> mAlloc;
+    android::sp<android::GraphicBuffer> mBootAnimBuffer;
+    hwc_display_contents_1_t* mList;
+    uint32_t mWidth;
+    uint32_t mHeight;
+    OnEnabledCallbackType mEnabledCallback;
+};
+
+}
+
+#endif /* GONKDISPLAYJB_H */