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 5825aaede0bb5ed6ec34ce85dc73aacf8bdd25e2..cf02a06149f7f3e4c66bd15023c4009832e8391e 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -8883,6 +8883,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Extensions.InjectEnd_BlockedScriptCount">
+  <owner>kalman@chromium.org</owner>
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <summary>
+    Number of blocked 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>
@@ -8897,6 +8905,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Extensions.InjectIdle_BlockedScriptCount">
+  <owner>kalman@chromium.org</owner>
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <summary>
+    Number of blocked 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>
@@ -8917,6 +8933,14 @@ 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_BlockedScriptCount">
+  <owner>kalman@chromium.org</owner>
+  <owner>rdevlin.cronin@chromium.org</owner>
+  <summary>
+    Number of blocked 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>
@@ -41145,8 +41169,8 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <owner>ulan@chromium.org</owner>
   <summary>
     Number of garbage collections that a detached global context survives,
-    recorded after each major garbage collection.
-    Values greater than 7 indicate a memory leak.
+    recorded after each major garbage collection. Values greater than 7 indicate
+    a memory leak.
   </summary>
 </histogram>