Add values to all dev Pepper .idl enumerations.

ppapi/api/dev/pp_video_capture_dev.idl

Index: ppapi/api/dev/pp_video_capture_dev.idl
diff --git a/ppapi/api/dev/pp_video_capture_dev.idl b/ppapi/api/dev/pp_video_capture_dev.idl
index 420579aad4b6c90f0cb90fdd18fc8a7acd1f8fb8..d11ec475e1f1b2164e2ce7a1ccb11eef1e3f4d08 100644
--- a/ppapi/api/dev/pp_video_capture_dev.idl
+++ b/ppapi/api/dev/pp_video_capture_dev.idl
@@ -27,21 +27,21 @@ enum PP_VideoCaptureStatus_Dev {
   /**
    * Initial state, capture is stopped.
    */
-  PP_VIDEO_CAPTURE_STATUS_STOPPED,
+  PP_VIDEO_CAPTURE_STATUS_STOPPED = 0,
   /**
    * StartCapture has been called, but capture hasn't started yet.
    */
-  PP_VIDEO_CAPTURE_STATUS_STARTING,
+  PP_VIDEO_CAPTURE_STATUS_STARTING = 1,
   /**
-   * Capture is started.
+   * Capture has been started.
    */
-  PP_VIDEO_CAPTURE_STATUS_STARTED,
+  PP_VIDEO_CAPTURE_STATUS_STARTED = 2,
   /**
    * Capture has been started, but is paused because no buffer is available.
    */
-  PP_VIDEO_CAPTURE_STATUS_PAUSED,
+  PP_VIDEO_CAPTURE_STATUS_PAUSED = 3,
   /**
    * StopCapture has been called, but capture hasn't stopped yet.
    */
-  PP_VIDEO_CAPTURE_STATUS_STOPPING
+  PP_VIDEO_CAPTURE_STATUS_STOPPING = 4
 };