Add UMA actions and histogram for the NPAPI InfoBar.

chrome/browser/plugins/chrome_plugin_service_filter.cc

Index: chrome/browser/plugins/chrome_plugin_service_filter.cc
diff --git a/chrome/browser/plugins/chrome_plugin_service_filter.cc b/chrome/browser/plugins/chrome_plugin_service_filter.cc
index 35962492ac85ad93c3ef94d9cccc1f01b4913684..984a3b1e2262cdea49e98a6508bd9e6aec2c34f6 100644
--- a/chrome/browser/plugins/chrome_plugin_service_filter.cc
+++ b/chrome/browser/plugins/chrome_plugin_service_filter.cc
@@ -24,12 +24,14 @@
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/resource_context.h"
+#include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/components_strings.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/window_open_disposition.h"
 
+using base::UserMetricsAction;
 using content::BrowserThread;
 using content::PluginService;
 
@@ -81,6 +83,55 @@ NPAPIRemovalInfoBarDelegate::NPAPIRemovalInfoBarDelegate(
     const base::string16& plugin_name,
     int message_id)
     : plugin_name_(plugin_name), message_id_(message_id) {
+  content::RecordAction(UserMetricsAction("NPAPIRemovalInfobar.Shown"));
+
+  std::string name = base::UTF16ToUTF8(plugin_name);
+  // This has to be an expanded if statement so extract_actions.py likes it.
+  if (message_id == IDS_PLUGINS_NPAPI_REMOVED) {
+    content::RecordAction(
+        UserMetricsAction("NPAPIRemovalInfobar.Shown.Removed"));
+    if (name == PluginMetadata::kJavaGroupName) {
+      content::RecordAction(
+          UserMetricsAction("NPAPIRemovalInfobar.Shown.Removed.Java"));

[Will Harris, 2015/05/12 00:38:35]

this code shamelessly stolen from plugin_infobar_delegates.cc

+    } else if (name == PluginMetadata::kQuickTimeGroupName) {
+      content::RecordAction(
+          UserMetricsAction("NPAPIRemovalInfobar.Shown.Removed.QuickTime"));
+    } else if (name == PluginMetadata::kShockwaveGroupName) {
+      content::RecordAction(
+          UserMetricsAction("NPAPIRemovalInfobar.Shown.Removed.Shockwave"));
+    } else if (name == PluginMetadata::kRealPlayerGroupName) {
+      content::RecordAction(
+          UserMetricsAction("NPAPIRemovalInfobar.Shown.Removed.RealPlayer"));
+    } else if (name == PluginMetadata::kSilverlightGroupName) {
+      content::RecordAction(
+          UserMetricsAction("NPAPIRemovalInfobar.Shown.Removed.Silverlight"));
+    } else if (name == PluginMetadata::kAdobeReaderGroupName) {
+      content::RecordAction(
+          UserMetricsAction("NPAPIRemovalInfobar.Shown.Removed.Reader"));
+    }
+  } else {
+    content::RecordAction(
+        UserMetricsAction("NPAPIRemovalInfobar.Shown.RemovedSoon"));
+    if (name == PluginMetadata::kJavaGroupName) {
+      content::RecordAction(
+          UserMetricsAction("NPAPIRemovalInfobar.Shown.RemovedSoon.Java"));
+    } else if (name == PluginMetadata::kQuickTimeGroupName) {
+      content::RecordAction(
+          UserMetricsAction("NPAPIRemovalInfobar.Shown.RemovedSoon.QuickTime"));
+    } else if (name == PluginMetadata::kShockwaveGroupName) {
+      content::RecordAction(
+          UserMetricsAction("NPAPIRemovalInfobar.Shown.RemovedSoon.Shockwave"));
+    } else if (name == PluginMetadata::kRealPlayerGroupName) {
+      content::RecordAction(UserMetricsAction(
+          "NPAPIRemovalInfobar.Shown.RemovedSoon.RealPlayer"));
+    } else if (name == PluginMetadata::kSilverlightGroupName) {
+      content::RecordAction(UserMetricsAction(
+          "NPAPIRemovalInfobar.Shown.RemovedSoon.Silverlight"));
+    } else if (name == PluginMetadata::kAdobeReaderGroupName) {
+      content::RecordAction(
+          UserMetricsAction("NPAPIRemovalInfobar.Shown.RemovedSoon.Reader"));
+    }
+  }
 }
 
 NPAPIRemovalInfoBarDelegate::~NPAPIRemovalInfoBarDelegate() {
@@ -109,6 +160,7 @@ bool NPAPIRemovalInfoBarDelegate::LinkClicked(
           GURL(kLearnMoreUrl), content::Referrer(),
           (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
           ui::PAGE_TRANSITION_LINK, false));
+  content::RecordAction(UserMetricsAction("NPAPIRemovalInfobar.LearnMore"));
   return true;
 }