Only dlopen() OMX/VAAPI libs in the GPU process, and only lazily dlsym() their symbols.

content/common/gpu/media/omx_video_decode_accelerator.h

Index: content/common/gpu/media/omx_video_decode_accelerator.h
diff --git a/content/common/gpu/media/omx_video_decode_accelerator.h b/content/common/gpu/media/omx_video_decode_accelerator.h
index 60fc63845a2e2b90edcae9ce8e5779e1569e9478..2a846ec41b4a7ea95beff848151ac2953ae16d5e 100644
--- a/content/common/gpu/media/omx_video_decode_accelerator.h
+++ b/content/common/gpu/media/omx_video_decode_accelerator.h
@@ -54,6 +54,9 @@ class CONTENT_EXPORT OmxVideoDecodeAccelerator :
 
   base::WeakPtr<OmxVideoDecodeAccelerator> weak_this() { return weak_this_; }
 
+  // Do any necessary initialization before the sandbox is enabled.
+  static void PreSandboxInitialization();
+
  private:
   // Because OMX state-transitions are described solely by the "state reached"
   // (3.1.2.9.1, table 3-7 of the spec), we track what transition was requested
@@ -143,6 +146,10 @@ class CONTENT_EXPORT OmxVideoDecodeAccelerator :
   // Decode bitstream buffers that were queued (see queued_bitstream_buffers_).
   void DecodeQueuedBitstreamBuffers();
 
+  // Lazily initialize static data after sandbox is enabled.  Return false on
+  // init failure.
+  static bool PostSandboxInitialization();
+
   // Weak pointer to |this|; used to safely trampoline calls from the OMX thread
   // to the ChildThread.  Since |this| is kept alive until OMX is fully shut
   // down, only the OMX->Child thread direction needs to be guarded this way.
@@ -207,6 +214,9 @@ class CONTENT_EXPORT OmxVideoDecodeAccelerator :
   uint32 h264_profile_;  // OMX_AVCProfile requested during Initialization.
   bool component_name_is_nvidia_h264ext_;
 
+  // Has static initialization of pre-sandbox components completed successfully?
+  static bool pre_sandbox_init_done_;
+
   // Method to handle events
   void EventHandlerCompleteTask(OMX_EVENTTYPE event,
                                 OMX_U32 data1,