Notify DataUseTabModel of navigations and tab closures

chrome/browser/android/data_usage/data_use_tab_ui_manager_android.cc

Index: chrome/browser/android/data_usage/data_use_tab_ui_manager_android.cc
diff --git a/chrome/browser/android/data_usage/data_use_tab_ui_manager_android.cc b/chrome/browser/android/data_usage/data_use_tab_ui_manager_android.cc
index cc69f75d8aa1147e711ffcaa98ef2d71a40b6781..f88614d5e27f11230afc2900e8fb87b83c7ca96e 100644
--- a/chrome/browser/android/data_usage/data_use_tab_ui_manager_android.cc
+++ b/chrome/browser/android/data_usage/data_use_tab_ui_manager_android.cc
@@ -12,6 +12,7 @@
 #include "chrome/browser/android/data_usage/data_use_ui_tab_model_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_android.h"
+#include "components/sessions/core/session_id.h"
 #include "jni/DataUseTabUIManager_jni.h"
 
 // static
@@ -23,7 +24,8 @@ jboolean CheckDataUseTrackingStarted(JNIEnv* env,
   chrome::android::DataUseUITabModel* data_use_ui_tab_model =
       chrome::android::DataUseUITabModelFactory::GetForBrowserContext(profile);
   if (data_use_ui_tab_model)
-    return data_use_ui_tab_model->HasDataUseTrackingStarted(tab_id);
+    return data_use_ui_tab_model->HasDataUseTrackingStarted(
+        static_cast<SessionID::id_type>(tab_id));

[sclittle, 2015/11/30 22:33:38]

nit: Could you DCHECK that |tab_id| is a valid >=0 tab ID here?

[tbansal1, 2015/11/30 22:59:09]

Done.

   return false;
 }
 
@@ -36,7 +38,8 @@ jboolean CheckDataUseTrackingEnded(JNIEnv* env,
   chrome::android::DataUseUITabModel* data_use_ui_tab_model =
       chrome::android::DataUseUITabModelFactory::GetForBrowserContext(profile);
   if (data_use_ui_tab_model)
-    return data_use_ui_tab_model->HasDataUseTrackingEnded(tab_id);
+    return data_use_ui_tab_model->HasDataUseTrackingEnded(
+        static_cast<SessionID::id_type>(tab_id));
   return false;
 }
 
@@ -52,7 +55,8 @@ void OnCustomTabInitialNavigation(JNIEnv* env,
       chrome::android::DataUseUITabModelFactory::GetForBrowserContext(profile);
   if (data_use_ui_tab_model) {
     data_use_ui_tab_model->ReportCustomTabInitialNavigation(
-        tab_id, ConvertJavaStringToUTF8(env, url),
+        static_cast<SessionID::id_type>(tab_id),
+        ConvertJavaStringToUTF8(env, url),
         ConvertJavaStringToUTF8(env, package_name));
   }
 }