Creates GCP promo for ChromeOS users with no cloud printers.

chrome/browser/ui/webui/print_preview/print_preview_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/print_preview/print_preview_handler.h"
 
 #include <ctype.h>
 
 #include <string>
 
@@ skipping 87 matching lines @@
   COLOR,
   BLACK_AND_WHITE,
   COLLATE,
   SIMPLEX,
   DUPLEX,
   PRINT_SETTINGS_BUCKET_BOUNDARY
 };
 
 enum UiBucketGroups {
   DESTINATION_SEARCH,
+  GCP_PROMO,
   UI_BUCKET_GROUP_BOUNDARY
 };
 
 enum PrintDestinationBuckets {
   DESTINATION_SHOWN,
   DESTINATION_CLOSED_CHANGED,
   DESTINATION_CLOSED_UNCHANGED,
   SIGNIN_PROMPT,
   SIGNIN_TRIGGERED,
   PRINT_DESTINATION_BUCKET_BOUNDARY
 };
 
+enum GcpPromoBuckets {
+  PROMO_SHOWN,
+  PROMO_CLOSED,
+  PROMO_CLICKED,
+  GCP_PROMO_BUCKET_BOUNDARY
+};
+
 void ReportUserActionHistogram(enum UserActionBuckets event) {
   UMA_HISTOGRAM_ENUMERATION("PrintPreview.UserAction", event,
                             USERACTION_BUCKET_BOUNDARY);
 }
 
 void ReportPrintSettingHistogram(enum PrintSettingsBuckets setting) {
   UMA_HISTOGRAM_ENUMERATION("PrintPreview.PrintSettings", setting,
                             PRINT_SETTINGS_BUCKET_BOUNDARY);
 }
 
 void ReportPrintDestinationHistogram(enum PrintDestinationBuckets event) {
   UMA_HISTOGRAM_ENUMERATION("PrintPreview.DestinationAction", event,
                             PRINT_DESTINATION_BUCKET_BOUNDARY);
 }
 
+void ReportGcpPromoHistogram(enum GcpPromoBuckets event) {
+  UMA_HISTOGRAM_ENUMERATION("PrintPreview.GcpPromo", event,
+                            GCP_PROMO_BUCKET_BOUNDARY);
+}
+
 // Name of a dictionary field holding cloud print related data;
 const char kAppState[] = "appState";
 // Name of a dictionary field holding the initiator tab title.
 const char kInitiatorTabTitle[] = "initiatorTabTitle";
 // Name of a dictionary field holding the measurement system according to the
 // locale.
 const char kMeasurementSystem[] = "measurementSystem";
 // Name of a dictionary field holding the number format according to the locale.
 const char kNumberFormat[] = "numberFormat";
 // Name of a dictionary field specifying whether to print automatically in
@@ skipping 553 matching lines @@
     return;
 
   enum UiBucketGroups ui_bucket_group =
       static_cast<enum UiBucketGroups>(event_group);
   if (ui_bucket_group >= UI_BUCKET_GROUP_BOUNDARY)
     return;
 
   switch (ui_bucket_group) {
     case DESTINATION_SEARCH: {
       enum PrintDestinationBuckets event =
-            static_cast<enum PrintDestinationBuckets>(event_number);
+          static_cast<enum PrintDestinationBuckets>(event_number);
       if (event >= PRINT_DESTINATION_BUCKET_BOUNDARY)
         return;
       ReportPrintDestinationHistogram(event);
       break;
     }
+    case GCP_PROMO: {
+      enum GcpPromoBuckets event =
+          static_cast<enum GcpPromoBuckets>(event_number);
+      if (event >= GCP_PROMO_BUCKET_BOUNDARY)
+        return;
+      ReportGcpPromoHistogram(event);
+      break;
+    }
     default:
       break;
   }
 }
 
 void PrintPreviewHandler::SendInitialSettings(
     const std::string& default_printer,
     const std::string& cloud_print_data) {
   PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
       web_ui()->GetController());
@@ skipping 211 matching lines @@
     return;
 
   // We no longer require the initiator tab details. Remove those details
   // associated with the preview tab to allow the initiator tab to create
   // another preview tab.
   printing::PrintPreviewTabController* tab_controller =
       printing::PrintPreviewTabController::GetInstance();
   if (tab_controller)
     tab_controller->EraseInitiatorTabInfo(preview_tab_contents());
 }