[TTS] Record CTR by week and 28-day intervals.

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index c27862b22620e6222f40d14b0c6c285e94cb95cb..278126d731a92b6407e2157fe1f6252435538c0d 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -2948,6 +2948,8 @@ split_static_library("browser") {
       "android/contextualsearch/contextual_search_manager.h",
       "android/contextualsearch/contextual_search_tab_helper.cc",
       "android/contextualsearch/contextual_search_tab_helper.h",
+      "android/contextualsearch/ctr_recorder.cc",
+      "android/contextualsearch/ctr_recorder.h",
       "android/contextualsearch/resolved_search_term.cc",
       "android/contextualsearch/resolved_search_term.h",
       "android/cookies/cookies_fetcher.cc",
@@ -3753,6 +3755,7 @@ if (android_java_ui) {
       "../android/java/src/org/chromium/chrome/browser/compositor/scene_layer/ToolbarSceneLayer.java",
       "../android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuHelper.java",
       "../android/java/src/org/chromium/chrome/browser/contextmenu/ContextMenuParams.java",
+      "../android/java/src/org/chromium/chrome/browser/contextualsearch/CTRRecorder.java",
       "../android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchManager.java",
       "../android/java/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTabHelper.java",
       "../android/java/src/org/chromium/chrome/browser/cookies/CookiesFetcher.java",