media: Report RAPPOR for media pipeline errors

tools/metrics/rappor/rappor.xml

Index: tools/metrics/rappor/rappor.xml
diff --git a/tools/metrics/rappor/rappor.xml b/tools/metrics/rappor/rappor.xml
index 11d37fa448ec6a7e1f1f16a746afd4aeb8fa51e0..aebdd71b8b21776f220e7fed6a4a07d7f06b5219 100644
--- a/tools/metrics/rappor/rappor.xml
+++ b/tools/metrics/rappor/rappor.xml
@@ -476,18 +476,18 @@ components/rappor/rappor_parameters.h.
   </summary>
 </rappor-metric>
 
-<rappor-metric name="DomDistiller.PromptPanel" type="UMA_RAPPOR_TYPE">
+<rappor-metric name="DomDistiller.OpenPanel" type="UMA_RAPPOR_TYPE">
   <owner>wychen@chromium.org</owner>
   <summary>
-    The eTLD+1 of the frame URL where Reader Mode is prompted.
+    The eTLD+1 of the frame URL where Reader Mode panel is opened by the
+    user.
   </summary>
 </rappor-metric>
 
-<rappor-metric name="DomDistiller.OpenPanel" type="UMA_RAPPOR_TYPE">
+<rappor-metric name="DomDistiller.PromptPanel" type="UMA_RAPPOR_TYPE">
   <owner>wychen@chromium.org</owner>
   <summary>
-    The eTLD+1 of the frame URL where Reader Mode panel is opened by the
-    user.
+    The eTLD+1 of the frame URL where Reader Mode is prompted.
   </summary>
 </rappor-metric>

[xhwang, 2016/04/29 00:04:17]

format fix only

 
@@ -631,6 +631,14 @@ components/rappor/rappor_parameters.h.
   </summary>
 </rappor-metric>
 
+<rappor-metric name="Media.OriginUrl.MSE.PipelineError" type="ETLD_PLUS_ONE">
+  <owner>xhwang@chromium.org</owner>
+  <summary>
+    The domain and registry of the URL that loads an HTML5 media player using
+    Media Source Extensions (MSE) and ends up with an error.
+  </summary>
+</rappor-metric>
+
 <rappor-metric name="Media.OriginUrl.MSE.Secure" type="ETLD_PLUS_ONE">
   <owner>wolenetz@chromium.org</owner>
   <summary>
@@ -647,6 +655,14 @@ components/rappor/rappor_parameters.h.
   </summary>
 </rappor-metric>
 
+<rappor-metric name="Media.OriginUrl.SRC.PipelineError" type="ETLD_PLUS_ONE">
+  <owner>xhwang@chromium.org</owner>
+  <summary>
+    The domain and registry of the URL that loads an HTML5 media player using
+    SRC and ends up with an error.
+  </summary>
+</rappor-metric>
+
 <rappor-metric name="NTP.ExplicitUserAction.PageNavigation.NTPTileClick"
     type="UMA_RAPPOR_TYPE">
   <owner>knn@chromium.org</owner>