[NTP] Translateable strings for recent tabs and physical web sections.

components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc

Index: components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc
diff --git a/components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc b/components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc
index 2d054885a3928868850ec806c085b0a6df2223d0..13f52a8e2d987a27e953238319b4f08d906f4d99 100644
--- a/components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc
+++ b/components/ntp_snippets/physical_web_pages/physical_web_page_suggestions_provider.cc
@@ -72,16 +72,15 @@ CategoryStatus PhysicalWebPageSuggestionsProvider::GetCategoryStatus(
 
 CategoryInfo PhysicalWebPageSuggestionsProvider::GetCategoryInfo(
     Category category) {
-  // TODO(vitaliii): Use the proper string once it has been agreed on.
-  // TODO(vitaliii): Use a translateable string. (crbug.com/667764)
-  return CategoryInfo(
-      base::ASCIIToUTF16("Physical web pages"),
-      ContentSuggestionsCardLayout::FULL_CARD,
-      /*has_more_action=*/false,
-      /*has_reload_action=*/false,
-      /*has_view_all_action=*/false,
-      /*show_if_empty=*/false,
-      l10n_util::GetStringUTF16(IDS_NTP_SUGGESTIONS_SECTION_EMPTY));
+  return CategoryInfo(l10n_util::GetStringUTF16(
+                          IDS_NTP_PHYSICAL_WEB_PAGE_SUGGESTIONS_SECTION_HEADER),
+                      ContentSuggestionsCardLayout::FULL_CARD,
+                      /*has_more_action=*/false,
+                      /*has_reload_action=*/false,
+                      /*has_view_all_action=*/false,
+                      /*show_if_empty=*/false,
+                      l10n_util::GetStringUTF16(
+                          IDS_NTP_PHYSICAL_WEB_PAGE_SUGGESTIONS_SECTION_EMPTY));
 }
 
 void PhysicalWebPageSuggestionsProvider::DismissSuggestion(