DataUse UI strings should be changeable via Finch

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 2b3833646d9a7a5e5c1cff12bc8ad63bec147a0b..36114ea23d2d6e01145ab3b225077d8541ecdf90 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
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/android/data_usage/data_use_tab_ui_manager_android.h"
 
+#include <stdint.h>
 #include <string>
 
 #include "base/android/jni_android.h"
@@ -12,8 +13,49 @@
 #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 "chrome/grit/generated_resources.h"
 #include "components/sessions/core/session_id.h"
 #include "jni/DataUseTabUIManager_jni.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace {
+
+// Represents the IDs for string messages used by data use snackbar and
+// interstitial dialog. A Java counterpart will be generated for this enum.
+// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.datausage
+enum DataUseUIMessage {
+  DATA_USE_TRACKING_STARTED_SNACKBAR_MESSAGE,
+  DATA_USE_TRACKING_SNACKBAR_ACTION,
+  DATA_USE_TRACKING_ENDED_SNACKBAR_MESSAGE,
+  DATA_USE_TRACKING_ENDED_TITLE,
+  DATA_USE_TRACKING_ENDED_MESSAGE,
+  DATA_USE_TRACKING_ENDED_CHECKBOX_MESSAGE,
+  DATA_USE_TRACKING_ENDED_CONTINUE,
+  DATA_USE_LEARN_MORE_TITLE,
+  DATA_USE_LEARN_MORE_LINK_URL,
+  DATA_USE_UI_MESSAGE_MAX
+};
+
+// Represents the mapping between DataUseUIMessage ID and UI message IDs in
+// generated_resources.grd
+uint32_t data_use_ui_message_id_map[DATA_USE_UI_MESSAGE_MAX] = {
+        [DATA_USE_TRACKING_STARTED_SNACKBAR_MESSAGE] =
+            IDS_DATA_USE_TRACKING_STARTED_SNACKBAR_MESSAGE,
+        [DATA_USE_TRACKING_SNACKBAR_ACTION] =
+            IDS_DATA_USE_TRACKING_SNACKBAR_ACTION,
+        [DATA_USE_TRACKING_ENDED_SNACKBAR_MESSAGE] =
+            IDS_DATA_USE_TRACKING_ENDED_SNACKBAR_MESSAGE,
+        [DATA_USE_TRACKING_ENDED_TITLE] = IDS_DATA_USE_TRACKING_ENDED_TITLE,
+        [DATA_USE_TRACKING_ENDED_MESSAGE] = IDS_DATA_USE_TRACKING_ENDED_MESSAGE,
+        [DATA_USE_TRACKING_ENDED_CHECKBOX_MESSAGE] =
+            IDS_DATA_USE_TRACKING_ENDED_CHECKBOX_MESSAGE,
+        [DATA_USE_TRACKING_ENDED_CONTINUE] =
+            IDS_DATA_USE_TRACKING_ENDED_CONTINUE,
+        [DATA_USE_LEARN_MORE_TITLE] = IDS_DATA_USE_LEARN_MORE_TITLE,
+        [DATA_USE_LEARN_MORE_LINK_URL] = IDS_DATA_USE_LEARN_MORE_LINK_URL,
+};
+
+}  // namespace
 
 // static
 jboolean CheckAndResetDataUseTrackingStarted(
@@ -102,6 +144,16 @@ void OnCustomTabInitialNavigation(JNIEnv* env,
   }
 }
 
+// static
+ScopedJavaLocalRef<jstring> GetDataUseUIString(
+    JNIEnv* env,
+    const JavaParamRef<jclass>& clazz,
+    int message_id) {
+  DCHECK(message_id >= 0 && message_id < DATA_USE_UI_MESSAGE_MAX);
+  return base::android::ConvertUTF8ToJavaString(
+      env, l10n_util::GetStringUTF8(data_use_ui_message_id_map[message_id]));
+}
+
 bool RegisterDataUseTabUIManager(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }