Measure time spent during StrictMode violations.

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 cb839ddfa1dfc80f5a6c9bd40435aa8cf83df69b..f225996d40e93bebc9e40c2fdb94fd03278b5c76 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -312,6 +312,42 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Android.StrictMode.CheckGooglePlayServicesTime" units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <owner>yfriedman@chromium.org</owner>
+  <summary>
+    Measures the amount of time due to a StrictMode violation from checking if
+    Google Play Services is available.
+  </summary>
+</histogram>
+
+<histogram name="Android.StrictMode.DocumentTabStateLoad" units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <owner>yfriedman@chromium.org</owner>
+  <summary>
+    Measures the amount of time due to a StrictMode violation from document mode
+    loading its prioritized tab's state.
+  </summary>
+</histogram>
+
+<histogram name="Android.StrictMode.DownloadsDir" units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <owner>yfriedman@chromium.org</owner>
+  <summary>
+    Measures the amount of time due to a StrictMode violation from fetching and
+    possibly creating the downloads directory.
+  </summary>
+</histogram>
+
+<histogram name="Android.StrictMode.NotificationUIBuildTime" units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <owner>yfriedman@chromium.org</owner>
+  <summary>
+    Measures the amount of time due to a StrictMode violation from custom
+    notification builder through date formatting.
+  </summary>
+</histogram>
+
 <histogram name="Android.StrictMode.OverrideUrlLoadingTime" units="ms">
   <owner>yfriedman@chromium.org</owner>
   <owner>wnwen@chromium.org</owner>
@@ -321,6 +357,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Android.StrictMode.SecureRandomInitialize" units="ms">

[Yaron, 2016/01/21 20:48:15]

remove

[Peter Wen, 2016/01/21 20:59:45]

Done.

+  <owner>wnwen@chromium.org</owner>
+  <owner>yfriedman@chromium.org</owner>
+  <summary>
+    Measures the amount of time due to a StrictMode violation from using a file
+    to initialize secure random generator.
+  </summary>
+</histogram>
+
 <histogram name="Android.StrictMode.TabPersistentStore" units="ms">
   <owner>wnwen@chromium.org</owner>
   <owner>yfriedman@chromium.org</owner>
@@ -330,6 +375,42 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Android.StrictMode.ThumbnailCacheDir" units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <owner>yfriedman@chromium.org</owner>
+  <summary>
+    Measures the amount of time due to a StrictMode violation from fetching for
+    the thumbnail cache directory.
+  </summary>
+</histogram>
+
+<histogram name="Android.StrictMode.WebappAuthenticatorMac" units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <owner>yfriedman@chromium.org</owner>
+  <summary>
+    Measures the amount of time due to a StrictMode violation from reading the
+    mac for a webapp url.
+  </summary>
+</histogram>
+
+<histogram name="Android.StrictMode.WebappDir" units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <owner>yfriedman@chromium.org</owner>
+  <summary>
+    Measures the amount of time due to a StrictMode violation from fetching for
+    creating the webapp directory.
+  </summary>
+</histogram>
+
+<histogram name="Android.StrictMode.WebappSaveState" units="ms">
+  <owner>wnwen@chromium.org</owner>
+  <owner>yfriedman@chromium.org</owner>
+  <summary>
+    Measures the amount of time due to a StrictMode violation from reading and
+    saving webapp state.
+  </summary>
+</histogram>
+
 <histogram name="AndroidTabCloseUndo.Toast"
     enum="AndroidTabCloseUndoToastEvent">
   <owner>dtrainor@chromium.org</owner>