Add UMA metrics and histograms for locally managed users.

chrome/browser/managed_mode/managed_mode_navigation_observer.cc

Index: chrome/browser/managed_mode/managed_mode_navigation_observer.cc
===================================================================
--- chrome/browser/managed_mode/managed_mode_navigation_observer.cc	(revision 177135)
+++ chrome/browser/managed_mode/managed_mode_navigation_observer.cc	(working copy)
@@ -6,6 +6,7 @@
 
 #include "base/bind.h"
 #include "base/i18n/rtl.h"
+#include "base/metrics/histogram.h"
 #include "base/string_number_conversions.h"
 #include "chrome/browser/api/infobars/confirm_infobar_delegate.h"
 #include "chrome/browser/api/infobars/infobar_service.h"
@@ -27,6 +28,7 @@
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
+#include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/frame_navigate_params.h"
 #include "grit/generated_resources.h"
@@ -34,9 +36,17 @@
 #include "ui/base/l10n/l10n_util.h"
 
 using content::BrowserThread;
+using content::UserMetricsAction;
 
 namespace {
 
+// For use in histograms.
+enum PreviewInfobarCommand {
+  INFOBAR_ACCEPT,
+  INFOBAR_CANCEL,
+  INFOBAR_HISTOGRAM_BOUNDING_VALUE
+};
+
 class ManagedModeWarningInfobarDelegate : public ConfirmInfoBarDelegate {
  public:
   // Creates a managed mode warning delegate and adds it to |infobar_service|.
@@ -199,11 +209,17 @@
   ManagedModeNavigationObserver* observer =
       ManagedModeNavigationObserver::FromWebContents(
           owner()->GetWebContents());
+  UMA_HISTOGRAM_ENUMERATION("ManagedMode.PreviewInfobarCommand",
+                            INFOBAR_ACCEPT,
+                            INFOBAR_HISTOGRAM_BOUNDING_VALUE);
   observer->AddSavedURLsToWhitelistAndClearState();
   return true;
 }
 
 bool ManagedModePreviewInfobarDelegate::Cancel() {
+  UMA_HISTOGRAM_ENUMERATION("ManagedMode.PreviewInfobarCommand",
+                            INFOBAR_CANCEL,
+                            INFOBAR_HISTOGRAM_BOUNDING_VALUE);
   GoBackToSafety(owner()->GetWebContents());
   return false;
 }
@@ -351,9 +367,15 @@
     const content::LoadCommittedDetails& details,
     const content::FrameNavigateParams& params) {
 
+  content::RecordAction(UserMetricsAction("ManagedMode_MainFrameNavigation"));
+
   ManagedModeURLFilter::FilteringBehavior behavior =
       url_filter_->GetFilteringBehaviorForURL(params.url);
 
+  UMA_HISTOGRAM_ENUMERATION("ManagedMode.FilteringBehavior",
+                            behavior,
+                            ManagedModeURLFilter::HISTOGRAM_BOUNDING_VALUE);
+
   // If the user just saw an interstitial this is the final URL so it is
   // recorded. Checking for filtering behavior here isn't useful because
   // although this specific URL can be allowed the hostname will be added which