Update content setting for app banners to store more information.

chrome/browser/android/banners/app_banner_settings_helper.h

Index: chrome/browser/android/banners/app_banner_settings_helper.h
diff --git a/chrome/browser/android/banners/app_banner_settings_helper.h b/chrome/browser/android/banners/app_banner_settings_helper.h
index d1173a8866a0ead9da972b497e5645734a17311a..bf4e4123ab6a8688f1945e809410a9e3a3b26abc 100644
--- a/chrome/browser/android/banners/app_banner_settings_helper.h
+++ b/chrome/browser/android/banners/app_banner_settings_helper.h
@@ -8,6 +8,7 @@
 #include <string>
 
 #include "base/macros.h"
+#include "base/time/time.h"
 
 namespace content {
 class WebContents;
@@ -18,15 +19,24 @@ class GURL;
 // Utility class for reading and updating ContentSettings for app banners.
 class AppBannerSettingsHelper {
  public:
-  // Checks if a URL is allowed to show a banner for the given package.
+  // Records that a banner could have been shown for the given package or start
+  // url.
+  static void RecordCouldShowBannerEvent(
+      content::WebContents* web_contents,
+      const GURL& origin_url,
+      const std::string& package_name_or_start_url,
+      base::Time time);
+
+  // Checks if a URL is allowed to show a banner for the given package or start
+  // url.
   static bool IsAllowed(content::WebContents* web_contents,
                         const GURL& origin_url,
-                        const std::string& package_name);
+                        const std::string& package_name_or_start_url);
 
-  // Blocks a URL from showing a banner for the given package.
+  // Blocks a URL from showing a banner for the given package or start url.
   static void Block(content::WebContents* web_contents,
                     const GURL& origin_url,
-                    const std::string& package_name);
+                    const std::string& package_name_or_start_url);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AppBannerSettingsHelper);