Create feature and enable data collection for Data Saver site breakdown

chrome/browser/flag_descriptions.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/flag_descriptions.h"
 
 namespace flag_descriptions {
 
 //  Material Design version of chrome://bookmarks
 
@@ skipping 1158 matching lines @@
 
 #if defined(OS_ANDROID)
 
 const char kEnableDataReductionProxyMainMenuName[] =
     "Enable Data Saver main menu item";
 
 const char kEnableDataReductionProxyMainMenuDescription[] =
     "Enables the Data Saver menu item in the main menu rather than under "
     "Settings.";
 
+const char kEnableDataReductionProxySiteBreakdownName[] =
+    "Data Saver Site Breakdown";
+
+const char kEnableDataReductionProxySiteBreakdownDescription[] =
+    "Enable the site breakdown on the Data Saver settings page.";
+
 #endif  // defined(OS_ANDROID)
 
 const char kLcdTextName[] = "LCD text antialiasing";
 
 const char kLcdTextDescription[] =
     "If disabled, text is rendered with grayscale antialiasing instead of "
     "LCD (subpixel) when doing accelerated compositing.";
 
 const char kDistanceFieldTextName[] = "Distance field text";
 
@@ skipping 1715 matching lines @@
 const char kEnableEhvInputName[] =
     "Emoji, handwriting and voice input on opt-in IME menu";
 
 const char kEnableEhvInputDescription[] =
     "Enable access to emoji, handwriting and voice input form opt-in IME "
     "menu.";
 
 #endif  // #if defined(OS_CHROMEOS)
 
 }  // namespace flag_descriptions