Support multiple video decoders and encoders

content/common/gpu/media/v4l2_image_processor.h

Index: content/common/gpu/media/v4l2_image_processor.h
diff --git a/content/common/gpu/media/v4l2_image_processor.h b/content/common/gpu/media/v4l2_image_processor.h
index 24c52c451d108548e0af04865a29c867eca1c050..04d29bc010f95432bd7ff7feba1f932eb48dfe7c 100644
--- a/content/common/gpu/media/v4l2_image_processor.h
+++ b/content/common/gpu/media/v4l2_image_processor.h
@@ -58,6 +58,7 @@ class CONTENT_EXPORT V4L2ImageProcessor {
   // Record for input buffers.
   struct InputRecord {
     InputRecord();
+    ~InputRecord();
     scoped_refptr<media::VideoFrame> frame;
     bool at_device;
   };
@@ -65,6 +66,7 @@ class CONTENT_EXPORT V4L2ImageProcessor {
   // Record for output buffers.
   struct OutputRecord {
     OutputRecord();
+    ~OutputRecord();
     bool at_device;
     bool at_client;
     std::vector<int> fds;
@@ -78,6 +80,7 @@ class CONTENT_EXPORT V4L2ImageProcessor {
   // device).
   struct JobRecord {
     JobRecord();
+    ~JobRecord();
     scoped_refptr<media::VideoFrame> frame;
     FrameReadyCB ready_cb;
   };