Extensions: suspend extension's scripts when V8 is paused

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 4fd69481473431e2954fa9b5ccbb37c6646fafb8..ecfe72b3f67bf9565d8bf133cbb0d3ccbb34e664 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -8975,6 +8975,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>

[rkaplow, 2015/03/05 22:38:23]

I will note that you can make this a bit more concise by using 
<histogram_suffixes name=".." ordering="prefix">
And put 
InjectIdle
InjectStart
InjectEnd
as the suffixes.

To me this feels short enough that it seems fine. But it is something to
consider for cases like this.

[kozy, 2015/03/06 07:53:09]

Acknowledged.

 
+<histogram name="Extensions.InjectEnd_BlockingScriptCount">
+  <owner>kalman@chromium.org</owner>
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <summary>
+    Number of blocking scripts injected at document end by extensions.
+  </summary>
+</histogram>
+
 <histogram name="Extensions.InjectEnd_ScriptCount">
   <owner>kalman@chromium.org</owner>
   <owner>rdevlin.cronin@chromium.org</owner>
@@ -8989,6 +8997,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Extensions.InjectIdle_BlockingScriptCount">
+  <owner>kalman@chromium.org</owner>
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <summary>
+    Number of blocking scripts injected at document idle by extensions.
+  </summary>
+</histogram>
+
 <histogram name="Extensions.InjectIdle_ScriptCount">
   <owner>kalman@chromium.org</owner>
   <owner>rdevlin.cronin@chromium.org</owner>
@@ -9009,6 +9025,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <summary>Time taken to inject all scripts by extensions.</summary>
 </histogram>
 
+<histogram name="Extensions.InjectStart_BlockingScriptCount">
+  <owner>kalman@chromium.org</owner>
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <summary>
+    Number of blocking scripts injected at document start by extensions.
+  </summary>
+</histogram>
+
 <histogram name="Extensions.InjectStart_CssCount">
   <owner>kalman@chromium.org</owner>
   <owner>rdevlin.cronin@chromium.org</owner>